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| author | Jia Tan <jiat0218@gmail.com> | 2024-03-05 00:27:31 +0800 |
|---|---|---|
| committer | Jia Tan <jiat0218@gmail.com> | 2024-03-05 00:27:31 +0800 |
| commit | ed957d39426695e948b06de0ed952a2fbbe84bd1 (patch) | |
| tree | 79c273cacc7601ab631eb834ea73bc17ee50666c /src/lzmainfo | |
| parent | liblzma: Fix a comment in the RISC-V filter. (diff) | |
| download | xz-ed957d39426695e948b06de0ed952a2fbbe84bd1.tar.xz | |
Build: Require attribute no_profile_instrument_function for ifunc usage.
Using __attribute__((__no_profile_instrument_function__)) on the ifunc
resolver works around a bug in GCC -fprofile-generate:
it adds profiling code even to ifunc resolvers which can make
the ifunc resolver crash at program startup. This attribute
was not introduced until GCC 7 and Clang 13, so ifunc won't
be used with prior versions of these compilers.
This bug was brought to our attention by:
https://bugs.gentoo.org/925415
And was reported to upstream GCC by:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=11411
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