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3 Commits

Author SHA1 Message Date
Sam Clegg
ecbcefd693 [clang][WebAssemmbly] Call TargetInfo::adjust in derived method. 
The superclass method handles a bunch of useful things. For example
it applies flags such as `-fnew-alignment` which doesn't work without
this patch.

Differential Revision: https://reviews.llvm.org/D118573
 2022-02-10 16:04:06 -08:00
Zequan Wu
15a3ae1ab1 [Clang] Add __STDCPP_THREADS__ to standard predefine macros 
According to https://eel.is/c++draft/cpp.predefined#2.6, `__STDCPP_THREADS__` is a predefined macro.

Differential Revision: https://reviews.llvm.org/D91747
 2020-11-22 16:05:53 -08:00
Richard Smith
591390284f P0035R4: add predefined __STDCPP_DEFAULT_NEW_ALIGNMENT__ macro. By default, we 
assume that ::operator new provides no more alignment than is necessary for any
primitive type, except when we're on a GNU OS, where glibc's malloc guarantees
to provide 64-bit alignment on 32-bit systems and 128-bit alignment on 64-bit
systems. This can be controlled by the command-line -fnew-alignment flag.

llvm-svn: 282974
 2016-09-30 22:41:36 +00:00