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author	Martin Storsjö <martin@martin.st>
	Fri, 5 Nov 2021 08:12:20 +0000 (10:12 +0200)
committer	Martin Storsjö <martin@martin.st>
	Fri, 5 Nov 2021 08:36:40 +0000 (10:36 +0200)
commit	f95bd18b5faa6a5af4b5786312c373c5b2dce687
tree	5f1288a68e31326251b51093bcbe3abbe7e9560a	tree \| snapshot
parent	7af584ed87cc6eddb6adbc451c90fb8867469e06	commit \| diff

Revert "[Attr] support btf_type_tag attribute"

This reverts commits 737e4216c537c33aab8ec51880f06b8a54325b94 and
ce7ac9e66aba2b937b3d3b5505ce6cc75dcc56ac.

After those commits, the compiler can crash with a reduced
testcase like this:

$ cat reduced.c
void a(*);
void a() {}
$ clang -c reduced.c -O2 -g

clang/lib/CodeGen/CGDebugInfo.cpp		diff \| blob \| history
clang/lib/CodeGen/CGDebugInfo.h		diff \| blob \| history
clang/test/CodeGen/attr-btf_type_tag-func.c	[deleted file]	blob \| history
clang/test/CodeGen/attr-btf_type_tag-typedef-field.c	[deleted file]	blob \| history
clang/test/CodeGen/attr-btf_type_tag-var.c	[deleted file]	blob \| history
llvm/include/llvm/IR/DIBuilder.h		diff \| blob \| history
llvm/lib/IR/DIBuilder.cpp		diff \| blob \| history
llvm/test/Bitcode/attr-btf_type_tag.ll	[deleted file]	blob \| history
llvm/test/DebugInfo/attr-btf_type_tag.ll	[deleted file]	blob \| history

Domain: System / Toolchain;

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