[llvm] [LLVM][IR] Emit diagnostic for invalid pointee type for constant GEP. (PR #165383)

[Nikita Popov via llvm-commits]

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@@ -4541,6 +4541,9 @@ bool LLParser::parseValID(ValID &ID, PerFunctionState *PFS, Type *ExpectedTy) {
       if (!GetElementPtrInst::getIndexedType(Ty, Indices))
         return error(ID.Loc, "invalid getelementptr indices");
 
+      if (!ConstantExpr::isSupportedGetElementPtr(Ty))
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nikic wrote:

nit: I'd move this above the getIndexedType check.

https://github.com/llvm/llvm-project/pull/165383