[PATCH] D88518: Recognize setjmp and friends as builtins even if jmp_buf is not declared yet.

[Richard Smith - zygoloid via Phabricator via cfe-commits]

rsmith created this revision.
rsmith added reviewers: tambre, rjmccall.
Herald added a project: clang.
rsmith requested review of this revision.

This happens in glibc's headers. It's important that we recognize these
functions so that we can mark them as returns_twice.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D88518

Files:
  clang/include/clang/Basic/Builtins.def
  clang/include/clang/Basic/Builtins.h
  clang/lib/Sema/SemaDecl.cpp
  clang/test/CodeGen/setjmp.c
  clang/test/Sema/builtin-setjmp.c
  clang/test/Sema/implicit-builtin-decl.c

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