[llvm] [IR] Require index width to be ule pointer width (PR #70015)

[Nikita Popov via llvm-commits]

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@@ -649,6 +649,8 @@ Error DataLayout::setPointerAlignmentInBits(uint32_t AddrSpace, Align ABIAlign,
   if (PrefAlign < ABIAlign)
     return reportError(
         "Preferred alignment cannot be less than the ABI alignment");
+  if (IndexBitWidth > TypeBitWidth)
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nikic wrote:

There is a test here: https://github.com/llvm/llvm-project/pull/70015/files#diff-934d54edeeb3870404b0553b4964c06cde47e081976e180580f5ade6ee9bd2ab

https://github.com/llvm/llvm-project/pull/70015