llvm-project

44a6e009 - [clang] Check empty macro name in `#pragma push_macro("")` or `#pragma pop_macro("")` (#149982)

[clang] Check empty macro name in `#pragma push_macro("")` or `#pragma pop_macro("")` (#149982) Fixes https://github.com/llvm/llvm-project/issues/149762. --------- Signed-off-by: yronglin <yronglin777@gmail.com>