[PATCH] D15636: Reduce false positives in printf/scanf format checker

[Andy Gibbs via cfe-commits]

AndyG added inline comments.

================
Comment at: lib/Sema/SemaChecking.cpp:3905
@@ -3822,14 +3904,3 @@
     CoveredArgs.flip();
-    signed notCoveredArg = CoveredArgs.find_first();
-    if (notCoveredArg >= 0) {
-      assert((unsigned)notCoveredArg < NumDataArgs);
-      if (const Expr *E = getDataArg((unsigned) notCoveredArg)) {
-        SourceLocation Loc = E->getLocStart();
-        if (!S.getSourceManager().isInSystemMacro(Loc)) {
-          EmitFormatDiagnostic(S.PDiag(diag::warn_printf_data_arg_not_used),
-                               Loc, /*IsStringLocation*/false,
-                               getFormatStringRange());
-        }
-      }
-    }
+    UncoveredArg.Update(CoveredArgs.find_first(), FExpr);
   }
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Rather than `FExpr`, I think this should be `OrigFormatExpr`?


http://reviews.llvm.org/D15636