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

[Fangrui Song via llvm-commits]

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@@ -37,9 +37,13 @@ ArrayRef<MCPhysReg> MipsABIInfo::GetByValArgRegs() const {
   llvm_unreachable("Unhandled ABI");
 }
 
-ArrayRef<MCPhysReg> MipsABIInfo::GetVarArgRegs() const {
-  if (IsO32())
-    return ArrayRef(O32IntRegs);
+ArrayRef<MCPhysReg> MipsABIInfo::GetVarArgRegs(bool isGP64bit) const {
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MaskRay wrote:

rename to `getVarArgRegs` (functionName convention) while you are modifying it.

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