clang-p2996/clang/test/Modules/Inputs/builtin_sub.h at 0d7d09f804c92d7a9f5ffe94de3520f2d40357ea - clang-p2996 - Caio's Gitea

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Douglas Gregor 151976694a <rdar://problem/13560075> Teach name lookup for builtin names to find hidden declarations.

Normal name lookup ignores any hidden declarations. When name lookup
for builtin declarations fails, we just synthesize a new
declaration at the point of use. With modules, this could lead to
multiple declarations of the same builtin, if one came from a (hidden)
submodule that was later made visible. Teach name lookup to always
find builtin names, so we don't create these redundant declarations in
the first place.

llvm-svn: 178711

2013-04-03 23:06:26 +00:00

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 int getBos1(void) {
   return __builtin_object_size(p, 0);
 }