https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108334
Bug ID: 108334 Summary: Strange message Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: lukaszcz18 at wp dot pl Target Milestone: --- Strange message In GCC version 20221124 this message wasn't there. Using built-in specs. COLLECT_GCC=g++.exe Target: x86_64-w64-mingw32 Configured with: /home/ma/m/source/gcc-g/configure --host=x86_64-w64-mingw32 --target=x86_64-w64-mingw32 --disable-nls --enable-languages=c,c++,objc,obj-c++ --with-gmp=/home/ma/m/build/for_target --with-mpfr=/home/ma/m/build/for_target --with-mpc=/home/ma/m/build/for_target --with-isl=/home/ma/m/build/for_target --enable-twoprocess --disable-libstdcxx-pch --disable-win32-registry --disable-shared --enable-fully-dynamic-string --enable-libssp --prefix=/home/ma/m/target --with-sysroot=/home/ma/m/target Thread model: win32 Supported LTO compression algorithms: zlib gcc version 13.0.0 20221229 (experimental) (GCC) COLLECT_GCC_OPTIONS='-v' '-std=gnu++11' '-march=x86-64-v2' '-ftree-vectorize' '-g0' '-O3' '-fPIC' '-mavx' '-mxsave' '-mpclmul' '-maes' '-D' 'WINVER=0x0602' '-D' '_WIN32_WINNT=0x0602' '-D' 'WIN32_LEAN_AND_MEAN=//' '-D' '_WIN32_WINNT_WIN7=0x0601' '-D' 'LIBGAV1_THREADPOOL_USE_STD_MUTEX=1' '-D' 'LIBGAV1_MAX_BITDEPTH=12' '-D' 'LIBGAV1_PUBLIC=//' '-D' 'LIBGAV1_ENABLE_SSE4_1' '-c' '-o' 'cdef.o' c:/gcc1300/bin/../libexec/gcc/x86_64-w64-mingw32/13.0.0/cc1plus.exe -quiet -v -iprefix c:\gcc1300\bin\../lib/gcc/x86_64-w64-mingw32/13.0.0/ -U_REENTRANT -D WINVER=0x0602 -D _WIN32_WINNT=0x0602 -D WIN32_LEAN_AND_MEAN=// -D _WIN32_WINNT_WIN7=0x0601 -D LIBGAV1_THREADPOOL_USE_STD_MUTEX=1 -D LIBGAV1_MAX_BITDEPTH=12 -D LIBGAV1_PUBLIC=// -D LIBGAV1_ENABLE_SSE4_1 cdef.cc -quiet -dumpbase cdef.cc -dumpbase-ext .cc -march=x86-64-v2 -mavx -mxsave -mpclmul -maes -g0 -O3 -std=gnu++11 -version -ftree-vectorize -fPIC -o C:\Users\KOMPUT~1\AppData\Local\Temp\ccMZzeha.s GNU C++11 (GCC) version 13.0.0 20221229 (experimental) (x86_64-w64-mingw32) compiled by GNU C version 13.0.0 20221229 (experimental), GMP version 6.2.1, MPFR version 4.1.1, MPC version 1.3.1, isl version isl-0.24-GMP GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 ignoring duplicate directory "c:/gcc1300/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/13.0.0/../../../../include/c++/13.0.0" ignoring duplicate directory "c:/gcc1300/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/13.0.0/../../../../include/c++/13.0.0/x86_64-w64-mingw32" ignoring duplicate directory "c:/gcc1300/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/13.0.0/../../../../include/c++/13.0.0/backward" ignoring duplicate directory "c:/gcc1300/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/13.0.0/include" ignoring nonexistent directory "/home/ma/m/target/home/ma/m/target/lib/gcc/x86_64-w64-mingw32/13.0.0/../../../../include" ignoring duplicate directory "c:/gcc1300/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/13.0.0/include-fixed" ignoring duplicate directory "c:/gcc1300/lib/gcc/../../lib/gcc/x86_64-w64-mingw32/13.0.0/../../../../x86_64-w64-mingw32/include" ignoring nonexistent directory "/home/ma/m/target/mingw/include" #include "..." search starts here: #include <...> search starts here: c:\gcc1300\bin\../lib/gcc/x86_64-w64-mingw32/13.0.0/../../../../include/c++/13.0.0 c:\gcc1300\bin\../lib/gcc/x86_64-w64-mingw32/13.0.0/../../../../include/c++/13.0.0/x86_64-w64-mingw32 c:\gcc1300\bin\../lib/gcc/x86_64-w64-mingw32/13.0.0/../../../../include/c++/13.0.0/backward c:\gcc1300\bin\../lib/gcc/x86_64-w64-mingw32/13.0.0/include c:\gcc1300\bin\../lib/gcc/x86_64-w64-mingw32/13.0.0/include-fixed c:\gcc1300\bin\../lib/gcc/x86_64-w64-mingw32/13.0.0/../../../../x86_64-w64-mingw32/include End of search list. GNU C++11 (GCC) version 13.0.0 20221229 (experimental) (x86_64-w64-mingw32) compiled by GNU C version 13.0.0 20221229 (experimental), GMP version 6.2.1, MPFR version 4.1.1, MPC version 1.3.1, isl version isl-0.24-GMP GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 Compiler executable checksum: 764f1c9ee3426717f9fd65dfa7ce224a In function 'void libgav1::{anonymous}::CopyPixels(const uint8_t*, int, uint8_t*, int, int, int, size_t)', inlined from 'void libgav1::PostFilter::ApplyCdefForOneUnit(uint16_t*, int, int, int, int, int, uint8_t (*)[3][256], bool (*)[2]) [with Pixel = short unsigned int]' at cdef.cc:330:15, inlined from 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRowHelper(uint16_t*, uint8_t (*)[3][256], int, int)' at cdef.cc:612:36, inlined from 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRow(int, int, bool)' at cdef.cc:642:41: cdef.cc:81:11: warning: writing 4 bytes into a region of size 0 [-Wstringop-overflow=] 81 | memcpy(dst, src, width * pixel_size); | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In member function 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRow(int, int, bool)': cc1plus.exe: note: destination object is likely at address zero In function 'void libgav1::{anonymous}::CopyPixels(const uint8_t*, int, uint8_t*, int, int, int, size_t)', inlined from 'void libgav1::PostFilter::ApplyCdefForOneUnit(uint16_t*, int, int, int, int, int, uint8_t (*)[3][256], bool (*)[2]) [with Pixel = short unsigned int]' at cdef.cc:330:15, inlined from 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRowHelper(uint16_t*, uint8_t (*)[3][256], int, int)' at cdef.cc:612:36, inlined from 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRow(int, int, bool)' at cdef.cc:642:41: cdef.cc:81:11: warning: writing 4 bytes into a region of size 0 [-Wstringop-overflow=] In member function 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRow(int, int, bool)': cc1plus.exe: note: destination object is likely at address zero In function 'void libgav1::{anonymous}::CopyPixels(const uint8_t*, int, uint8_t*, int, int, int, size_t)', inlined from 'void libgav1::PostFilter::ApplyCdefForOneUnit(uint16_t*, int, int, int, int, int, uint8_t (*)[3][256], bool (*)[2]) [with Pixel = short unsigned int]' at cdef.cc:330:15, inlined from 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRowHelper(uint16_t*, uint8_t (*)[3][256], int, int)' at cdef.cc:612:36, inlined from 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRow(int, int, bool)' at cdef.cc:642:41: cdef.cc:81:11: warning: writing 4 bytes into a region of size 0 [-Wstringop-overflow=] In member function 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRow(int, int, bool)': cc1plus.exe: note: destination object is likely at address zero In function 'void libgav1::{anonymous}::CopyPixels(const uint8_t*, int, uint8_t*, int, int, int, size_t)', inlined from 'void libgav1::PostFilter::ApplyCdefForOneUnit(uint16_t*, int, int, int, int, int, uint8_t (*)[3][256], bool (*)[2]) [with Pixel = short unsigned int]' at cdef.cc:330:15, inlined from 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRowHelper(uint16_t*, uint8_t (*)[3][256], int, int)' at cdef.cc:612:36, inlined from 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRow(int, int, bool)' at cdef.cc:642:41: cdef.cc:81:11: warning: writing 4 bytes into a region of size 0 [-Wstringop-overflow=] In member function 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRow(int, int, bool)': cc1plus.exe: note: destination object is likely at address zero In function 'void libgav1::{anonymous}::CopyPixels(const uint8_t*, int, uint8_t*, int, int, int, size_t)', inlined from 'void libgav1::PostFilter::ApplyCdefForOneUnit(uint16_t*, int, int, int, int, int, uint8_t (*)[3][256], bool (*)[2]) [with Pixel = short unsigned int]' at cdef.cc:330:15, inlined from 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRowHelper(uint16_t*, uint8_t (*)[3][256], int, int)' at cdef.cc:612:36, inlined from 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRow(int, int, bool)' at cdef.cc:642:41: cdef.cc:81:11: warning: writing 4 bytes into a region of size 0 [-Wstringop-overflow=] In member function 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRow(int, int, bool)': cc1plus.exe: note: destination object is likely at address zero In function 'void libgav1::{anonymous}::CopyPixels(const uint8_t*, int, uint8_t*, int, int, int, size_t)', inlined from 'void libgav1::PostFilter::ApplyCdefForOneUnit(uint16_t*, int, int, int, int, int, uint8_t (*)[3][256], bool (*)[2]) [with Pixel = short unsigned int]' at cdef.cc:330:15, inlined from 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRowHelper(uint16_t*, uint8_t (*)[3][256], int, int)' at cdef.cc:612:36, inlined from 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRow(int, int, bool)' at cdef.cc:642:41: cdef.cc:81:11: warning: writing 4 bytes into a region of size 0 [-Wstringop-overflow=] In member function 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRow(int, int, bool)': cc1plus.exe: note: destination object is likely at address zero In function 'void libgav1::{anonymous}::CopyPixels(const uint8_t*, int, uint8_t*, int, int, int, size_t)', inlined from 'void libgav1::PostFilter::ApplyCdefForOneUnit(uint16_t*, int, int, int, int, int, uint8_t (*)[3][256], bool (*)[2]) [with Pixel = short unsigned int]' at cdef.cc:330:15, inlined from 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRowHelper(uint16_t*, uint8_t (*)[3][256], int, int)' at cdef.cc:612:36, inlined from 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRow(int, int, bool)' at cdef.cc:642:41: cdef.cc:81:11: warning: writing 4 bytes into a region of size 0 [-Wstringop-overflow=] In member function 'void libgav1::PostFilter::ApplyCdefForOneSuperBlockRow(int, int, bool)': cc1plus.exe: note: destination object is likely at address zero COLLECT_GCC_OPTIONS='-v' '-std=gnu++11' '-march=x86-64-v2' '-ftree-vectorize' '-g0' '-O3' '-fPIC' '-mavx' '-mxsave' '-mpclmul' '-maes' '-D' 'WINVER=0x0602' '-D' '_WIN32_WINNT=0x0602' '-D' 'WIN32_LEAN_AND_MEAN=//' '-D' '_WIN32_WINNT_WIN7=0x0601' '-D' 'LIBGAV1_THREADPOOL_USE_STD_MUTEX=1' '-D' 'LIBGAV1_MAX_BITDEPTH=12' '-D' 'LIBGAV1_PUBLIC=//' '-D' 'LIBGAV1_ENABLE_SSE4_1' '-c' '-o' 'cdef.o' c:/gcc1300/bin/../lib/gcc/x86_64-w64-mingw32/13.0.0/../../../../x86_64-w64-mingw32/bin/as.exe -v -o cdef.o C:\Users\KOMPUT~1\AppData\Local\Temp\ccMZzeha.s GNU assembler version 2.39 (x86_64-w64-mingw32) using BFD version (GNU Binutils) 2.39 COMPILER_PATH=c:/gcc1300/bin/../libexec/gcc/x86_64-w64-mingw32/13.0.0/;c:/gcc1300/bin/../libexec/gcc/;c:/gcc1300/bin/../lib/gcc/x86_64-w64-mingw32/13.0.0/../../../../x86_64-w64-mingw32/bin/ LIBRARY_PATH=c:/gcc1300/bin/../lib/gcc/x86_64-w64-mingw32/13.0.0/;c:/gcc1300/bin/../lib/gcc/;c:/gcc1300/bin/../lib/gcc/x86_64-w64-mingw32/13.0.0/../../../../x86_64-w64-mingw32/lib/../lib/;c:/gcc1300/bin/../lib/gcc/x86_64-w64-mingw32/13.0.0/../../../../lib/;c:/gcc1300/bin/../lib/gcc/x86_64-w64-mingw32/13.0.0/../../../../x86_64-w64-mingw32/lib/;c:/gcc1300/bin/../lib/gcc/x86_64-w64-mingw32/13.0.0/../../../ COLLECT_GCC_OPTIONS='-v' '-std=gnu++11' '-march=x86-64-v2' '-ftree-vectorize' '-g0' '-O3' '-fPIC' '-mavx' '-mxsave' '-mpclmul' '-maes' '-D' 'WINVER=0x0602' '-D' '_WIN32_WINNT=0x0602' '-D' 'WIN32_LEAN_AND_MEAN=//' '-D' '_WIN32_WINNT_WIN7=0x0601' '-D' 'LIBGAV1_THREADPOOL_USE_STD_MUTEX=1' '-D' 'LIBGAV1_MAX_BITDEPTH=12' '-D' 'LIBGAV1_PUBLIC=//' '-D' 'LIBGAV1_ENABLE_SSE4_1' '-c' '-o' 'cdef.o' '-dumpdir' 'cdef.'