From a121eb3af061a9402aa88630a0eb535d92962e2c Mon Sep 17 00:00:00 2001
From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Tue, 15 Jan 2013 07:12:59 +0000
Subject: [PATCH] PR14950: Fix out-of-bounds function parameter access in
literal operator lookup.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172514 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/Sema/SemaLookup.cpp | 2 +-
test/SemaCXX/cxx11-user-defined-literals.cpp | 6 ++++++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/lib/Sema/SemaLookup.cpp b/lib/Sema/SemaLookup.cpp
index fdd33cf73ae..4ae27a4adc8 100644
--- a/lib/Sema/SemaLookup.cpp
+++ b/lib/Sema/SemaLookup.cpp
@@ -2536,7 +2536,7 @@ Sema::LookupLiteralOperator(Scope *S, LookupResult &R,
if (FD->getNumParams() == 1 &&
FD->getParamDecl(0)->getType()->getAs<PointerType>())
IsRaw = true;
- else {
+ else if (FD->getNumParams() == ArgTys.size()) {
IsExactMatch = true;
for (unsigned ArgIdx = 0; ArgIdx != ArgTys.size(); ++ArgIdx) {
QualType ParamTy = FD->getParamDecl(ArgIdx)->getType();
diff --git a/test/SemaCXX/cxx11-user-defined-literals.cpp b/test/SemaCXX/cxx11-user-defined-literals.cpp
index 4bbecdb5b8e..f8bbcd960fd 100644
--- a/test/SemaCXX/cxx11-user-defined-literals.cpp
+++ b/test/SemaCXX/cxx11-user-defined-literals.cpp
@@ -135,3 +135,9 @@ namespace Namespace {
int _y(unsigned long long);
int k2 = 123_y; // expected-error {{no matching literal operator for call to 'operator "" _y'}}
}
+
+namespace PR14950 {
+ template<...> // expected-error {{expected template parameter}}
+ int operator"" _b(); // expected-error {{no function template matches function template specialization}}
+ int main() { return 0_b; } // expected-error {{no matching literal operator for call to 'operator "" _b'}}
+}
--
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