[Bug sanitizer/59188] [4.9 Regression] lib64/libtsan.so: undefined reference to `sigsetjmp'

[Joost.VandeVondele at mat dot ethz.ch]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59188

Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> changed:

           What    |Removed                     |Added
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                 CC|                            |Joost.VandeVondele at mat dot ethz
                   |                            |.ch

--- Comment #5 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> ---
(In reply to Dmitry Vyukov from comment #3)
> Can you please try the following patch

compiles with warnings:

../../../../gcc/libsanitizer/tsan/tsan_interceptors.cc:2022:12: note: in
expansion of macro ‘REAL’
   *(uptr*)&REAL(_setjmp) = dlsym(RTLD_NEXT, "_setjmp");
            ^
../../../../gcc/libsanitizer/interception/interception.h:145:25: warning:
dereferencing type-punned pointer will break strict-aliasing rules
[-Wstrict-aliasing]


However, it fixes the issue mentioned.