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2 Commits

Author SHA1 Message Date
Aaron Ballman
9c4ade0623 [C23] Rename C2x->C23 in diagnostics 
This renames C2x to C23 in diagnostic identifiers and messages. The
changes were made mechanically.
 2023-08-11 08:42:01 -04:00
Aaron Ballman
151214b40d Silently accept -Wgnu-empty-initializer 
5d8aaad445
removed the warning group as the functionality is no longer a GNU
extension. However, users have asked for the warning group to be
supported so that code transitioning from Clang 16 to Clang 17 has an
easier migration path when compiling with -Werror. This patch restores
the warning group, but as an ignored warning group because the
functionality is now always considered to be a C extension rather than
a GNU extension. This allows users to do:

  -Werror -pedantic -Wno-gnu-empty-intializer -Wno-c2x-extensions

to silence the diagnostics in both Clang 16 and Clang 17.

Fixes https://github.com/llvm/llvm-project/issues/64357
Differential Revision: https://reviews.llvm.org/D157503
 2023-08-10 07:24:05 -04:00