Add support for -Wimplicit-function-declaration, rdar://5907433
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50672 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index ada6ceb..f583ad1 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -1268,9 +1268,10 @@
/// call, forming a call to an implicitly defined function (per C99 6.5.1p2).
ScopedDecl *Sema::ImplicitlyDefineFunction(SourceLocation Loc,
IdentifierInfo &II, Scope *S) {
- if (getLangOptions().C99) // Extension in C99.
+ // Extension in C99. Legal in C90, but warn about it.
+ if (getLangOptions().C99)
Diag(Loc, diag::ext_implicit_function_decl, II.getName());
- else // Legal in C90, but warn about it.
+ else
Diag(Loc, diag::warn_implicit_function_decl, II.getName());
// FIXME: handle stuff like: