[llvm] [Dwarf][Transforms] Add dwarf support when func signature changed (PR #127855)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,157 @@
+; REQUIRES: x86-registered-target
+; RUN: opt -O3 -S < %s | FileCheck %s
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arsenm wrote:

Tests should be minimal and run the one pass 

https://github.com/llvm/llvm-project/pull/127855