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...ized-delete.cpp Scudo :: sizes.cpp These ^^ fail to find libatomic when linking. This was added to libstdc++4.8 but is not present in 4.7. "Due to time constraints and an API which is not finalized, there is no libatomic supplied with GCC 4.7. " from https://gcc.gnu.org/wiki/Atomic/GCCMM ThreadSanitizer-x86_64 :: Linux/mutex_robust.cc ThreadSanitizer-x86_64 :: Linux/mutex_robust2.cc These fail to find pthread_mutexattr_getrobust while linking. pthread.h on SLES11.3 defines pthread_mutexattr_getrobust and pthread_mutexattr_getrobust_np (depending on options like __USE_GNU...

...e basically undocumented, and users are often responsible for implementing themselves if they need it). There's the new __atomic_* builtins, which clang will, depending on size and alignment and target, lower either to a libcall to a "standardized-by-GCC <https://gcc.gnu.org/wiki/Atomic/GCCMM/LIbrary>" __atomic_* library function (implemented by libatomic), or, to the atomic IR instructions. (Also covered by the same code is the __c11_atomic_* builtins, which are almost-identical clang-specific aliases of the __atomic_* builtins.) There's the C11 "_Atomic" type mod...

Hi, I just tagged 3.9.1-rc2, so testing can begin. There was a bug found in -rc1 before I could send out a release announcement, so I decided to merge the fix and tag -rc2 to save some testing cycles. We can always use more testers, so if you are interested in helping, let me know. Thanks, Tom

...> responsible for implementing themselves if they need it). > 2. There's the new __atomic_* builtins, which clang will, depending > on size and alignment and target, lower either to a libcall to a > "standardized-by-GCC > <https://gcc.gnu.org/wiki/Atomic/GCCMM/LIbrary>" __atomic_* > library function (implemented by libatomic), or, to the atomic IR > instructions. (Also covered by the same code is the __c11_atomic_* > builtins, which are almost-identical clang-specific aliases of the > __atomic_* builtins.) > 3. The...