[llvm] [MergeFunc] Fix crash caused by bitcasting ArrayType (PR #133259)

[Tobias Stadler via llvm-commits]

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@@ -0,0 +1,38 @@
+; RUN: opt -S -passes=mergefunc < %s | FileCheck %s
+
+%A = type { double }
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tobias-stadler wrote:

Added ptrcast test instead of bitcast. I checked the code in FunctionComparator and searched the tests, and couldn't find a type that causes a bitcast in the thunk function. 

https://github.com/llvm/llvm-project/pull/133259