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-rw-r--r--lib/Sema/SemaChecking.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index f03e1f9310..1a07a86f80 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -198,6 +198,16 @@ Sema::CheckBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) {
if (SemaBuiltinLongjmp(TheCall))
return ExprError();
break;
+ case Builtin::BI__builtin_constant_p:
+ if (TheCall->getNumArgs() == 0)
+ return Diag(TheCall->getLocEnd(), diag::err_typecheck_call_too_few_args)
+ << 0 /*function call*/ << 1 << 0 << TheCall->getSourceRange();
+ if (TheCall->getNumArgs() > 1)
+ return Diag(TheCall->getArg(1)->getLocStart(),
+ diag::err_typecheck_call_too_many_args)
+ << 0 /*function call*/ << 1 << TheCall->getNumArgs()
+ << TheCall->getArg(1)->getSourceRange();
+ break;
case Builtin::BI__sync_fetch_and_add:
case Builtin::BI__sync_fetch_and_sub:
case Builtin::BI__sync_fetch_and_or: