diff options
| -rw-r--r-- | lib/Sema/TreeTransform.h | 2 | ||||
| -rw-r--r-- | test/SemaCXX/cxx11-user-defined-literals-unused.cpp | 13 |
2 files changed, 15 insertions, 0 deletions
diff --git a/lib/Sema/TreeTransform.h b/lib/Sema/TreeTransform.h index f68de26cde..835609585e 100644 --- a/lib/Sema/TreeTransform.h +++ b/lib/Sema/TreeTransform.h @@ -6173,6 +6173,8 @@ TreeTransform<Derived>::TransformCharacterLiteral(CharacterLiteral *E) { template<typename Derived> ExprResult TreeTransform<Derived>::TransformUserDefinedLiteral(UserDefinedLiteral *E) { + if (FunctionDecl *FD = E->getDirectCallee()) + SemaRef.MarkFunctionReferenced(E->getLocStart(), FD); return SemaRef.MaybeBindToTemporary(E); } diff --git a/test/SemaCXX/cxx11-user-defined-literals-unused.cpp b/test/SemaCXX/cxx11-user-defined-literals-unused.cpp new file mode 100644 index 0000000000..cd93ffbf21 --- /dev/null +++ b/test/SemaCXX/cxx11-user-defined-literals-unused.cpp @@ -0,0 +1,13 @@ +// RUN: %clang_cc1 -std=c++11 -verify %s -Wunused + +namespace { +double operator"" _x(long double value) { return double(value); } +int operator"" _ii(long double value) { return int(value); } // expected-warning {{not needed and will not be emitted}} +} + +namespace rdar13589856 { + template<class T> double value() { return 3.2_x; } + template<class T> int valuei() { return 3.2_ii; } + + double get_value() { return value<double>(); } +} |