[llvm] [Core] Skip over target name in intrinsic name lookup (PR #109971)

[Matt Arsenault via llvm-commits]

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@@ -248,6 +250,9 @@ int llvm::Intrinsic::lookupLLVMIntrinsicByName(ArrayRef<const char *> NameTable,
   // identical. By using strncmp we consider names with differing suffixes to
   // be part of the equal range.
   size_t CmpEnd = 4; // Skip the "llvm" component.
+  if (!Target.empty())
+    CmpEnd += 1 + Target.size(); // skip the .target component.
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arsenm wrote:

```suggestion
    CmpEnd += Target.size() +1; // skip the .target component.
```

https://github.com/llvm/llvm-project/pull/109971