https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68704
Bug ID: 68704 Summary: Memory leak in const char* Product: gcc Version: 5.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: thomas at thomasy dot tw Target Milestone: --- Created attachment 36926 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36926&action=edit Test case for const char* There is unfree for const char*. #valgrind --leak-check=full --tool=memcheck --show-leak-kinds=all ./a.out ==27690== Memcheck, a memory error detector ==27690== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al. ==27690== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info ==27690== Command: ./a.out ==27690== ==27690== ==27690== HEAP SUMMARY: ==27690== in use at exit: 72,704 bytes in 1 blocks ==27690== total heap usage: 1 allocs, 0 frees, 72,704 bytes allocated ==27690== ==27690== 72,704 bytes in 1 blocks are still reachable in loss record 1 of 1 ==27690== at 0x4C2BBCF: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==27690== by 0x4EC21FF: ??? (in /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.21) ==27690== by 0x40105B9: call_init.part.0 (dl-init.c:72) ==27690== by 0x40106CA: call_init (dl-init.c:30) ==27690== by 0x40106CA: _dl_init (dl-init.c:120) ==27690== by 0x4000D09: ??? (in /lib/x86_64-linux-gnu/ld-2.21.so) ==27690== ==27690== LEAK SUMMARY: ==27690== definitely lost: 0 bytes in 0 blocks ==27690== indirectly lost: 0 bytes in 0 blocks ==27690== possibly lost: 0 bytes in 0 blocks ==27690== still reachable: 72,704 bytes in 1 blocks ==27690== suppressed: 0 bytes in 0 blocks ==27690== ==27690== For counts of detected and suppressed errors, rerun with: -v ==27690== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0) # g++ -v Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/5/lto-wrapper Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu 5.2.1-22ubuntu2' --with-bugurl=file:///usr/share/doc/gcc-5/README.Bugs --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-5 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-5-amd64/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-5-amd64 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-5-amd64 --with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version 5.2.1 20151010 (Ubuntu 5.2.1-22ubuntu2)