Disable the -Wstringop-overflow warning from GCC 7 #2442
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Thanks for the PR but since it's a false positive please report to gcc maintainers. |
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Gcc meta-bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443 I think, this warnings are similar to existing bugs: |
vitaut
reviewed
Aug 2, 2021
| @@ -26,6 +26,10 @@ function(add_fmt_executable name) | |||
| if (MINGW) | |||
| target_link_libraries(${name} -static-libgcc -static-libstdc++) | |||
| endif () | |||
| if (CMAKE_CXX_COMPILER_ID MATCHES "GNU" AND | |||
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Could you add a link to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443 or whatever the most relevant gcc bug is?
Also is it fixed in gcc 11?
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Done.
There are no warnings in gcc version 11.1.1 20210721 [revision 076930b9690ac3564638636f6b13bbb6bc608aea] (SUSE Linux).
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Thank you! |
sthagen
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Aug 3, 2021
Disable the -Wstringop-overflow warning from GCC 7 (fmtlib#2442)
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…due to too many false positives with libfmt. See fmtlib/fmt#2442 (comment) and https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443
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- FMT will trigger a gcc bug on stringop-overflow with gcc versions 11 and earlier - FMT issue fmtlib/fmt#2442 - FMT issue fmtlib/fmt#2708 - GCC bug tracker https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101854 - Confirming it still appears on gcc-11 https://godbolt.org/z/d15q4Exvz
dr7ana
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- FMT will trigger a gcc bug on stringop-overflow with gcc versions 11 and earlier - FMT issue fmtlib/fmt#2442 - FMT issue fmtlib/fmt#2708 - GCC bug tracker https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101854 - Confirming it still appears on gcc-11 https://godbolt.org/z/d15q4Exvz
dr7ana
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- FMT will trigger a gcc bug on stringop-overflow with gcc versions 11 and earlier - FMT issue fmtlib/fmt#2442 - FMT issue fmtlib/fmt#2708 - GCC bug tracker https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101854 - Confirming it still appears on gcc-11 https://godbolt.org/z/d15q4Exvz
dr7ana
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Jun 4, 2024
- FMT will trigger a gcc bug on stringop-overflow with gcc versions 11 and earlier - FMT issue fmtlib/fmt#2442 - FMT issue fmtlib/fmt#2708 - GCC bug tracker https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101854 - Confirming it still appears on gcc-11 https://godbolt.org/z/d15q4Exvz
dr7ana
added a commit
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Jun 4, 2024
- FMT will trigger a gcc bug on stringop-overflow with gcc versions 11 and earlier - FMT issue fmtlib/fmt#2442 - FMT issue fmtlib/fmt#2708 - GCC bug tracker https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101854 - Confirming it still appears on gcc-11 https://godbolt.org/z/d15q4Exvz
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Fix for false positive warnings if LTO is enabled:
Discussion in Boost.JSON issue: boostorg/json#597