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-rw-r--r--lib/Sema/SemaExpr.cpp26
1 files changed, 18 insertions, 8 deletions
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 0f9793d839..647b9c1fc9 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -3407,14 +3407,24 @@ Sema::ConvertArgumentsForCall(CallExpr *Call, Expr *Fn,
// them.
if (NumArgs > NumArgsInProto) {
if (!Proto->isVariadic()) {
- Diag(Args[NumArgsInProto]->getLocStart(),
- MinArgs == NumArgsInProto
- ? diag::err_typecheck_call_too_many_args
- : diag::err_typecheck_call_too_many_args_at_most)
- << FnKind
- << NumArgsInProto << NumArgs << Fn->getSourceRange()
- << SourceRange(Args[NumArgsInProto]->getLocStart(),
- Args[NumArgs-1]->getLocEnd());
+ if (NumArgsInProto == 1 && FDecl && FDecl->getParamDecl(0)->getDeclName())
+ Diag(Args[NumArgsInProto]->getLocStart(),
+ MinArgs == NumArgsInProto
+ ? diag::err_typecheck_call_too_many_args_one
+ : diag::err_typecheck_call_too_many_args_at_most_one)
+ << FnKind
+ << FDecl->getParamDecl(0) << NumArgs << Fn->getSourceRange()
+ << SourceRange(Args[NumArgsInProto]->getLocStart(),
+ Args[NumArgs-1]->getLocEnd());
+ else
+ Diag(Args[NumArgsInProto]->getLocStart(),
+ MinArgs == NumArgsInProto
+ ? diag::err_typecheck_call_too_many_args
+ : diag::err_typecheck_call_too_many_args_at_most)
+ << FnKind
+ << NumArgsInProto << NumArgs << Fn->getSourceRange()
+ << SourceRange(Args[NumArgsInProto]->getLocStart(),
+ Args[NumArgs-1]->getLocEnd());
// Emit the location of the prototype.
if (FDecl && !FDecl->getBuiltinID() && !IsExecConfig)