[clang] [RISCV][FMV] Remove support for negative priority (PR #112161)

[Craig Topper via cfe-commits]

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@@ -3073,7 +3073,7 @@ bool Sema::checkTargetVersionAttr(SourceLocation LiteralLoc, Decl *D,
           DuplicateAttr = true;
         HasPriority = true;
         int Digit;
-        if (AttrStr.getAsInteger(0, Digit))
+        if (AttrStr.getAsInteger(0, Digit) || Digit < 0)
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topperc wrote:

getAsUnsignedInteger?

https://github.com/llvm/llvm-project/pull/112161