[llvm] [Mips] Fix clang crashes when compiling a variadic function while tar… (PR #130558)

[Fangrui Song via llvm-commits]

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@@ -0,0 +1,53 @@
+; RUN: llc -mtriple=mipsel-linux-gnu -mcpu=mips3 -target-abi o32 < %s | FileCheck %s -check-prefixes=MIPS3-O32
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MaskRay wrote:

Perhaps call this `vararg.ll`. Quite a few targets have a test named this.

Re-generate with update_llc_test_checks.py?

https://github.com/llvm/llvm-project/pull/130558