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Comment # 4 on bug 11009 from Alexis La Goutte

(In reply to Peter Wu from comment #3)
> -fsanitize=undefined seem to have a negative effect on compile times:
> https://gcc.gnu.org/ml/gcc-patches/2014-05/msg01203.html
> 
> And apparently also an impact on runtime performance
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44786#c1
> 
> For automated you probably want the -fno-sanitize-recover (enabled in GCC
> 5.0 and newer, Clang ??):
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60275
> 
> Suggestion: rename --enable-asan to --enable-fsanitize, testing for address
> and undefined sanitizers. Description: Enable ASAN and UBSan (longer compile
> times, runtime overhead).
Ok for me :-)
You push a patch ?

> 
> Later on, all kinds of sanitizers could be tested/enabled which is likely
> wanted by developers to ensure quality. For more fine-grained control, one
> could still drop the option and manually specify CFLAGS/CXXFLAGS/LDFLAGS or
> -DCMAKE_C_FLAGS/-DCMAKE_CXX_FLAGS options.

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