[all-commits] [llvm/llvm-project] 3d210e: Revert "Allow system header to provide their own i...

[Amy Huang via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 3d210ed3d1880c615776b07d1916edb400c245a6
      https://github.com/llvm/llvm-project/commit/3d210ed3d1880c615776b07d1916edb400c245a6
  Author: Amy Huang <akhuang at google.com>
  Date:   2020-01-15 (Wed, 15 Jan 2020)

  Changed paths:
    M clang/include/clang/AST/Decl.h
    M clang/lib/AST/Decl.cpp
    M clang/lib/CodeGen/CGExpr.cpp
    M clang/lib/CodeGen/CodeGenModule.cpp
    R clang/test/CodeGen/memcpy-nobuiltin.c
    R clang/test/CodeGen/memcpy-nobuiltin.inc

  Log Message:
  -----------
  Revert "Allow system header to provide their own implementation of some builtin"

This reverts commit 921f871ac438175ca8fcfcafdfcfac4d7ddf3905 because it
causes libc++ code to trigger __warn_memset_zero_len.

See https://reviews.llvm.org/D71082.