aws-cpp-sdk-core-tests/utils/CacheTest.cpp error: 'out' may be used uninitialized #2234

thomas-roos · 2022-12-07T12:49:48Z

Describe the bug

when building with yocto (master) and tests enabled i get an build errror

Expected Behavior

compile sdk without warning

Current Behavior

| [1793/1904] /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/recipe-sysroot-native/usr/bin/x86_64-poky-linux/x86_64-poky-linux-g++ -DAWS_AUTH_USE_IMPORT_EXPORT -DAWS_CAL_USE_IMPORT_EXPORT -DAWS_CHECKSUMS_USE_IMPORT_EXPORT -DAWS_COMMON_USE_IMPORT_EXPORT -DAWS_COMPRESSION_USE_IMPORT_EXPORT -DAWS_CRT_CPP_USE_IMPORT_EXPORT -DAWS_EVENT_STREAM_USE_IMPORT_EXPORT -DAWS_HTTP_USE_IMPORT_EXPORT -DAWS_
IO_USE_IMPORT_EXPORT -DAWS_MQTT_USE_IMPORT_EXPORT -DAWS_MQTT_WITH_WEBSOCKETS -DAWS_S3_USE_IMPORT_EXPORT -DAWS_SDKUTILS_USE_IMPORT_EXPORT -DAWS_SDK_VERSION_MAJOR=1 -DAWS_SDK_VERSION_MINOR=10 -DAWS_SDK_VERSION_PATCH=22 -DAWS_USE_EPOLL -DENABLE_CURL_CLIENT -DENABLE_OPENSSL_ENCRYPTION -DHAS_PATHCONF -DHAS_UMASK -DPLATFORM_LINUX -I/home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resour
ces/include -I/home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resources/include/aws/external -I/home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/aws-cpp-sdk-core/include -m64 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -fstack-protector-strong  -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security  --sysroot=/home/ubuntu/yocto
/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/recipe-sysroot  -O2 -pipe -g -feliminate-unused-debug-types -fmacro-prefix-map=/home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git=/usr/src/debug/aws-sdk-cpp/1.10.22-r0  -fdebug-prefix-map=/home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git=/usr/src/debug/aws-sdk-cpp/1.10.22-r0  -fmacro-prefix-map=/home/u
buntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/build=/usr/src/debug/aws-sdk-cpp/1.10.22-r0  -fdebug-prefix-map=/home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/build=/usr/src/debug/aws-sdk-cpp/1.10.22-r0  -fdebug-prefix-map=/home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/recipe-sysroot=  -fmacro-prefix-map=/home/ubuntu/yocto/build/tmp/work/c
ore2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/recipe-sysroot=  -fdebug-prefix-map=/home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/recipe-sysroot-native=  -fvisibility-inlines-hidden -Wno-deprecated-declarations -DNDEBUG -fno-exceptions -std=c++11 -Wall -Werror -pedantic -Wextra -DS2N_KYBER512R3_AVX2_BMI2 -DS2N_STACKTRACE -DS2N_CPUID_AVAILABLE -DS2N_FEATURES_AVAILABLE -fPIC -DS2N_FALL_THROUGH_SUP
PORTED -DS2N___RESTRICT__SUPPORTED -DS2N_MADVISE_SUPPORTED -DS2N_CLONE_SUPPORTED -DS2N_LIBCRYPTO_SUPPORTS_EVP_MD5_SHA1_HASH -DS2N_LIBCRYPTO_SUPPORTS_EVP_RC4 -DS2N_LIBCRYPTO_SUPPORTS_EVP_MD_CTX_SET_PKEY_CTX -MD -MT aws-cpp-sdk-core-tests/CMakeFiles/aws-cpp-sdk-core-tests.dir/utils/CacheTest.cpp.o -MF aws-cpp-sdk-core-tests/CMakeFiles/aws-cpp-sdk-core-tests.dir/utils/CacheTest.cpp.o.d -o aws-cpp-sdk-core-tests/CMakeFiles/
aws-cpp-sdk-core-tests.dir/utils/CacheTest.cpp.o -c /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/aws-cpp-sdk-core-tests/utils/CacheTest.cpp                                    
| FAILED: aws-cpp-sdk-core-tests/CMakeFiles/aws-cpp-sdk-core-tests.dir/utils/CacheTest.cpp.o                                                                                                                       
| /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/recipe-sysroot-native/usr/bin/x86_64-poky-linux/x86_64-poky-linux-g++ -DAWS_AUTH_USE_IMPORT_EXPORT -DAWS_CAL_USE_IMPORT_EXPORT -DAWS_CHECKSUMS_USE_IMPORT_EXPORT -DAWS_COMMON_USE_IMPORT_EXPORT -DAWS_COMPRESSION_USE_IMPORT_EXPORT -DAWS_CRT_CPP_USE_IMPORT_EXPORT -DAWS_EVENT_STREAM_USE_IMPORT_EXPORT -DAWS_HTTP_USE_IMPORT_EXPORT -DAWS_IO_USE_IMPOR
T_EXPORT -DAWS_MQTT_USE_IMPORT_EXPORT -DAWS_MQTT_WITH_WEBSOCKETS -DAWS_S3_USE_IMPORT_EXPORT -DAWS_SDKUTILS_USE_IMPORT_EXPORT -DAWS_SDK_VERSION_MAJOR=1 -DAWS_SDK_VERSION_MINOR=10 -DAWS_SDK_VERSION_PATCH=22 -DAWS_USE_EPOLL -DENABLE_CURL_CLIENT -DENABLE_OPENSSL_ENCRYPTION -DHAS_PATHCONF -DHAS_UMASK -DPLATFORM_LINUX -I/home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resources/include 
-I/home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resources/include/aws/external -I/home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/aws-cpp-sdk-core/include -m64 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -fstack-protector-strong  -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security  --sysroot=/home/ubuntu/yocto/build/tmp/w
ork/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/recipe-sysroot  -O2 -pipe -g -feliminate-unused-debug-types -fmacro-prefix-map=/home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git=/usr/src/debug/aws-sdk-cpp/1.10.22-r0  -fdebug-prefix-map=/home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git=/usr/src/debug/aws-sdk-cpp/1.10.22-r0  -fmacro-prefix-map=/home/ubuntu/yocto/
build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/build=/usr/src/debug/aws-sdk-cpp/1.10.22-r0  -fdebug-prefix-map=/home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/build=/usr/src/debug/aws-sdk-cpp/1.10.22-r0  -fdebug-prefix-map=/home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/recipe-sysroot=  -fmacro-prefix-map=/home/ubuntu/yocto/build/tmp/work/core2-64-poky
-linux/aws-sdk-cpp/1.10.22-r0/recipe-sysroot=  -fdebug-prefix-map=/home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/recipe-sysroot-native=  -fvisibility-inlines-hidden -Wno-deprecated-declarations -DNDEBUG -fno-exceptions -std=c++11 -Wall -Werror -pedantic -Wextra -DS2N_KYBER512R3_AVX2_BMI2 -DS2N_STACKTRACE -DS2N_CPUID_AVAILABLE -DS2N_FEATURES_AVAILABLE -fPIC -DS2N_FALL_THROUGH_SUPPORTED -DS2N
___RESTRICT__SUPPORTED -DS2N_MADVISE_SUPPORTED -DS2N_CLONE_SUPPORTED -DS2N_LIBCRYPTO_SUPPORTS_EVP_MD5_SHA1_HASH -DS2N_LIBCRYPTO_SUPPORTS_EVP_RC4 -DS2N_LIBCRYPTO_SUPPORTS_EVP_MD_CTX_SET_PKEY_CTX -MD -MT aws-cpp-sdk-core-tests/CMakeFiles/aws-cpp-sdk-core-tests.dir/utils/CacheTest.cpp.o -MF aws-cpp-sdk-core-tests/CMakeFiles/aws-cpp-sdk-core-tests.dir/utils/CacheTest.cpp.o.d -o aws-cpp-sdk-core-tests/CMakeFiles/aws-cpp-sdk-
core-tests.dir/utils/CacheTest.cpp.o -c /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/aws-cpp-sdk-core-tests/utils/CacheTest.cpp                                                
| In file included from /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resources/include/aws/external/gtest/gtest.h:55,                                                                                                                                                                                                                                                                      
|                  from /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/aws-cpp-sdk-core-tests/utils/CacheTest.cpp:6:                                                             
| In member function 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(float) [with _CharT = char; _Traits = std::char_traits<char>]',                                                                                                                                                                                                                                             
|     inlined from 'static void testing::internal::internal_stream_operator_without_lexical_name_lookup::StreamPrinter::PrintValue(const T&, std::ostream*) [with T = float; <template-parameter-1-2> = void; <template-parameter-1-3> = std::basic_ostream<char>&]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resources/include/aws/external/gtest/gtest-printers.h:216:9,
|     inlined from 'void testing::internal::PrintWithFallback(const T&, std::ostream*) [with T = float]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resources/include/aws/external/gtest/gtest-printers.h:311:22,                                                                                                                                                                     
|     inlined from 'void testing::internal::PrintTo(const T&, std::ostream*) [with T = float]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resources/include/aws/external/gtest/gtest-printers.h:440:30,                                                                                                                                                                               
|     inlined from 'static void testing::internal::UniversalPrinter<T>::Print(const T&, std::ostream*) [with T = float]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resources/include/aws/external/gtest/gtest-printers.h:702:12,                                                                                                                                                     
|     inlined from 'void testing::internal::UniversalPrint(const T&, std::ostream*) [with T = float]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resources/include/aws/external/gtest/gtest-printers.h:999:30,                                                                                                                                                                        
|     inlined from 'static void testing::internal::UniversalTersePrinter<T>::Print(const T&, std::ostream*) [with T = float]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resources/include/aws/external/gtest/gtest-printers.h:884:19,                                                                                                                                                
|     inlined from 'std::string testing::PrintToString(const T&) [with T = float]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resources/include/aws/external/gtest/gtest-printers.h:1037:44,                                                                                                                                                                                          
|     inlined from 'static std::string testing::internal::FormatForComparison<ToPrint, OtherOperand>::Format(const ToPrint&) [with ToPrint = float; OtherOperand = float]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resources/include/aws/external/gtest/gtest-printers.h:333:42,                                                                                                   
|     inlined from 'std::string testing::internal::FormatForComparisonFailureMessage(const T1&, const T2&) [with T1 = float; T2 = float]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resources/include/aws/external/gtest/gtest-printers.h:414:51,                                                                                                                                    
|     inlined from 'testing::AssertionResult testing::internal::CmpHelperEQFailure(const char*, const char*, const T1&, const T2&) [with T1 = float; T2 = float]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resources/include/aws/external/gtest/gtest.h:1343:70,                                                                                                                    
|     inlined from 'testing::AssertionResult testing::internal::CmpHelperEQ(const char*, const char*, const T1&, const T2&) [with T1 = float; T2 = float]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resources/include/aws/external/gtest/gtest.h:1362:69,                                                                                                                           
|     inlined from 'static testing::AssertionResult testing::internal::EqHelper::Compare(const char*, const char*, const T1&, const T2&) [with T1 = float; T2 = float; typename std::enable_if<((! std::is_integral<_Tp>::value) || (! std::is_pointer<_T2>::value))>::type* <anonymous> = 0]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/testing-resources/include/aws/external/gtest/gtest.h
:1377:64,                                                                                                
|     inlined from 'virtual void CacheTests_TestPutWithSameKey_Test::TestBody()' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/aws-cpp-sdk-core-tests/utils/CacheTest.cpp:82:5:                                                                                                                                                                                                                  
| /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/recipe-sysroot/usr/include/c++/12.2.0/ostream:228:25: error: 'out' may be used uninitialized [-Werror=maybe-uninitialized]                                                                                                                                                                                                                              
|   228 |         return _M_insert(static_cast<double>(__f));                                            
|       |                ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~                                             
| /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/aws-cpp-sdk-core-tests/utils/CacheTest.cpp: In member function 'virtual void CacheTests_TestPutWithSameKey_Test::TestBody()':                                                                                                                                                                                                                       
| /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.22-r0/git/aws-cpp-sdk-core-tests/utils/CacheTest.cpp:80:11: note: 'out' was declared here                                                                                                                                                                                                                                                                     
|    80 |     float out;                                                                                 
|       |           ^~~                                                                                  
| cc1plus: all warnings being treated as errors                                                          
| [1794/1904] : && /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aw

Reproduction Steps

yocto + meta-aws 
(master branch)
and this recipe aws-sdk-cpp_1.10.22.bb: 
SUMMARY = "AWS C++ SDK"
DESCRIPTION = "AWS C++ SDK and ptest"
HOMEPAGE = "https://github.com/aws/aws-sdk-cpp"
LICENSE = "Apache-2.0"
LIC_FILES_CHKSUM = "file://LICENSE;md5=e3fc50a88d0a364313df4b21ef20c29e"

DEPENDS += "\
    aws-c-auth \
    aws-crt-cpp \
    curl \
"

SRC_URI = "\
    git://github.com/aws/aws-sdk-cpp.git;protocol=https;branch=main \
    file://0002-build-fix-building-without-external-dependencies.patch"

SRCREV = "6eb7b90bc0d59d072473969d513aa707d1ab02d8"

S = "${WORKDIR}/git"

inherit cmake ptest pkgconfig

PACKAGECONFIG ??= "\
    shared \
    ${@bb.utils.filter('DISTRO_FEATURES', 'pulseaudio', d)} \
    ${@bb.utils.contains('PTEST_ENABLED', '1', 'with-tests', '', d)}"

PACKAGECONFIG[pulseaudio] = "-DPULSEAUDIO=TRUE, -DPULSEAUDIO=FALSE, pulseaudio"

PACKAGECONFIG[with-tests] = "-DENABLE_TESTING=ON -DAUTORUN_UNIT_TESTS=ON,-DENABLE_TESTING=OFF -DAUTORUN_UNIT_TESTS=OFF, googletest"

python populate_packages:prepend () {
    # Put the libraries into separate packages
    do_split_packages(d, d.expand('${libdir}'), r'^lib(.*)\.so$', '%s', 'aws-sdk-cpp library for %s', extra_depends='', prepend=True)
}

PACKAGECONFIG[shared] = "-DBUILD_SHARED_LIBS=ON,-DBUILD_SHARED_LIBS=OFF,,"

# Notify that libraries are not versioned
FILES_SOLIBSDEV = ""

# -Werror will cause deprecation warnings to fail the build e.g. OpenSSL cause one, so disable these warnings
OECMAKE_CXX_FLAGS += "-Wno-deprecated-declarations "

EXTRA_OECMAKE += "\
     -DBUILD_DEPS=OFF \
"

Possible Solution

suppress error works, but might this is a real issue

Additional Information/Context

No response

AWS CPP SDK version used

1.10.22

Compiler and Version used

x86_64-poky-linux-g++ (GCC) 12.2.0

Operating System and version

yocto master on ubuntu 22.04.

The text was updated successfully, but these errors were encountered:

jmklix · 2022-12-20T18:58:52Z

Does it build without any problems when you disable the tests while building?

github-actions · 2022-12-23T00:16:54Z

Greetings! It looks like this issue hasn’t been active in longer than a week. We encourage you to check if this is still an issue in the latest release. Because it has been longer than a week since the last update on this, and in the absence of more information, we will be closing this issue soon. If you find that this is still a problem, please feel free to provide a comment or add an upvote to prevent automatic closure, or if the issue is already closed, please feel free to open a new one.

thomas-roos · 2022-12-23T09:33:54Z

Greetings!
yes, the bug is still there with 1.10.37

|     inlined from 'static std::string testing::internal::FormatForComparison<ToPrint, OtherOperand>::Format(cons
t ToPrint&) [with ToPrint = float; OtherOperand = float]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linu
x/aws-sdk-cpp/1.10.37-r0/git/testing-resources/include/aws/external/gtest/gtest-printers.h:333:42,
|     inlined from 'std::string testing::internal::FormatForComparisonFailureMessage(const T1&, const T2&) [with 
T1 = float; T2 = float]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.37-r0/git/test
ing-resources/include/aws/external/gtest/gtest-printers.h:414:51,
|     inlined from 'testing::AssertionResult testing::internal::CmpHelperEQFailure(const char*, const char*, cons
t T1&, const T2&) [with T1 = float; T2 = float]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk
-cpp/1.10.37-r0/git/testing-resources/include/aws/external/gtest/gtest.h:1343:70,
|     inlined from 'testing::AssertionResult testing::internal::CmpHelperEQ(const char*, const char*, const T1&, 
const T2&) [with T1 = float; T2 = float]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.
10.37-r0/git/testing-resources/include/aws/external/gtest/gtest.h:1362:69,
|     inlined from 'static testing::AssertionResult testing::internal::EqHelper::Compare(const char*, const char*
, const T1&, const T2&) [with T1 = float; T2 = float; typename std::enable_if<((! std::is_integral<_Tp>::value) |
| (! std::is_pointer<_T2>::value))>::type* <anonymous> = 0]' at /home/ubuntu/yocto/build/tmp/work/core2-64-poky-l
inux/aws-sdk-cpp/1.10.37-r0/git/testing-resources/include/aws/external/gtest/gtest.h:1377:64,
|     inlined from 'virtual void CacheTests_TestPutWithSameKey_Test::TestBody()' at /home/ubuntu/yocto/build/tmp/
work/core2-64-poky-linux/aws-sdk-cpp/1.10.37-r0/git/aws-cpp-sdk-core-tests/utils/CacheTest.cpp:82:5:
| /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.37-r0/recipe-sysroot/usr/include/c++/12.
2.0/ostream:228:25: error: 'out' may be used uninitialized [-Werror=maybe-uninitialized]
|   228 |         return _M_insert(static_cast<double>(__f));
|       |                ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
| /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.37-r0/git/aws-cpp-sdk-core-tests/utils/C
acheTest.cpp: In member function 'virtual void CacheTests_TestPutWithSameKey_Test::TestBody()':
| /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.37-r0/git/aws-cpp-sdk-core-tests/utils/C
acheTest.cpp:80:11: note: 'out' was declared here
|    80 |     float out;
|       |           ^~~
| cc1plus: all warnings being treated as errors
| [868/1656] /home/ubuntu/yocto/build/tmp/work/core2-64-poky-linux/aws-sdk-cpp/1.10.37-r0/recipe-sysroot-native/u
sr/bin/x86_64-poky-linux/x86_64-poky-linux-g++ -DAWS_

of course I can not build those failing libs: #2242
but when I suppress the warning, it builds: -Wno-maybe-uninitialized

chloe-zh · 2023-04-21T07:25:05Z

I think I have seen similar issue when compile with gcc 12

chloe-zh · 2023-04-21T22:24:47Z

Saw the same warning in my environment:

Platform: Amazon Linux
GCC version: 12.2.0
SDK version: 1.11.x

[90/121] Building CXX object tests/aws-cpp-sdk-core-tests/CMakeFiles/aws-cpp-sdk-core-tests.dir/utils/CacheTest.cpp.o
FAILED: tests/aws-cpp-sdk-core-tests/CMakeFiles/aws-cpp-sdk-core-tests.dir/utils/CacheTest.cpp.o 

{removed some logs}

    inlined from ‘virtual void CacheTests_TestPutWithSameKey_Test::TestBody()’ at aws-sdk-cpp/tests/aws-cpp-sdk-core-tests/utils/CacheTest.cpp:82:5:
{removed path prefix}/build/gcc-12.2.0/include/c++/12.2.0/ostream:228:25: error: ‘out’ may be used uninitialized [-Werror=maybe-uninitialized]
  228 |         return _M_insert(static_cast<double>(__f));
      |                ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
aws-sdk-cpp/tests/aws-cpp-sdk-core-tests/utils/CacheTest.cpp: In member function ‘virtual void CacheTests_TestPutWithSameKey_Test::TestBody()’:
aws-sdk-cpp/tests/aws-cpp-sdk-core-tests/utils/CacheTest.cpp:80:11: note: ‘out’ was declared here
   80 |     float out;
      |           ^~~
cc1plus: all warnings being treated as errors

sbiscigl · 2023-07-27T14:47:14Z

Cleaning up some issues i fixed this issue in Fix gcc 12 uninitialized warning #2546. Resolving, give a shout if you see this pop up again.

github-actions · 2023-07-27T14:47:35Z

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thomas-roos added bug This issue is a bug. needs-triage This issue or PR still needs to be triaged. labels Dec 7, 2022

jmklix added response-requested Waiting on additional info and feedback. Will move to "closing-soon" in 10 days. p3 This is a minor priority issue and removed needs-triage This issue or PR still needs to be triaged. labels Dec 20, 2022

github-actions bot added the closing-soon This issue will automatically close in 4 days unless further comments are made. label Dec 23, 2022

github-actions bot removed closing-soon This issue will automatically close in 4 days unless further comments are made. response-requested Waiting on additional info and feedback. Will move to "closing-soon" in 10 days. labels Dec 24, 2022

sbiscigl closed this as completed Jul 27, 2023

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aws-cpp-sdk-core-tests/utils/CacheTest.cpp error: 'out' may be used uninitialized #2234

aws-cpp-sdk-core-tests/utils/CacheTest.cpp error: 'out' may be used uninitialized #2234

thomas-roos commented Dec 7, 2022 •

edited by jmklix

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jmklix commented Dec 20, 2022

github-actions bot commented Dec 23, 2022

thomas-roos commented Dec 23, 2022 •

edited

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chloe-zh commented Apr 21, 2023

chloe-zh commented Apr 21, 2023 •

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sbiscigl commented Jul 27, 2023

github-actions bot commented Jul 27, 2023

aws-cpp-sdk-core-tests/utils/CacheTest.cpp error: 'out' may be used uninitialized #2234

aws-cpp-sdk-core-tests/utils/CacheTest.cpp error: 'out' may be used uninitialized #2234

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thomas-roos commented Dec 7, 2022 • edited by jmklix Loading

Describe the bug

Expected Behavior

Current Behavior

Reproduction Steps

Possible Solution

Additional Information/Context

AWS CPP SDK version used

Compiler and Version used

Operating System and version

jmklix commented Dec 20, 2022

github-actions bot commented Dec 23, 2022

thomas-roos commented Dec 23, 2022 • edited Loading

chloe-zh commented Apr 21, 2023

chloe-zh commented Apr 21, 2023 • edited Loading

sbiscigl commented Jul 27, 2023

github-actions bot commented Jul 27, 2023

⚠️COMMENT VISIBILITY WARNING⚠️

thomas-roos commented Dec 7, 2022 •

edited by jmklix

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thomas-roos commented Dec 23, 2022 •

edited

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chloe-zh commented Apr 21, 2023 •

edited

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