[clang] [NFC] Move warning from CodeGen to Sema. (PR #107397)

[Vlad Serebrennikov via cfe-commits]

================
@@ -1180,6 +1180,16 @@ void Sema::PrintPragmaAttributeInstantiationPoint() {
                diag::note_pragma_attribute_applied_decl_here);
 }
 
+void Sema::DiagnoseExcessPrecision() {
+  if (NumExcessPrecisionNotSatisfied > 0) {
+    for (auto &[Loc, Type, Num] : ExcessPrecisionNotSatisfied)
+      if (Num > 1)
+        Diag(Loc, diag::warn_excess_precision_not_supported) << 0 << Type << 1;
----------------
Endilll wrote:

```suggestion
        Diag(Loc, diag::warn_excess_precision_not_supported) << 0 << Type << static_cast<bool>(Num);
```

https://github.com/llvm/llvm-project/pull/107397