Correctly compute the index of the first string format argument when deciding
whether to emit a -Wformat-security warning. <rdar://problem/14178260>.
llvm-svn: 184214
diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
index da24667..c6d2362 100644
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -1951,7 +1951,7 @@
// If there are no arguments specified, warn with -Wformat-security, otherwise
// warn only with -Wformat-nonliteral.
- if (Args.size() == format_idx+1)
+ if (Args.size() == firstDataArg)
Diag(Args[format_idx]->getLocStart(),
diag::warn_format_nonliteral_noargs)
<< OrigFormatExpr->getSourceRange();