summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorHans Wennborg <hans@hanshq.net>2017-08-11 15:58:58 +0000
committerHans Wennborg <hans@hanshq.net>2017-08-11 15:58:58 +0000
commit9ae15462ce434ac27321fd104c2969941fc70b71 (patch)
tree82cd4eb3b5fb5869ec1b1c4289475ba0191a86b9
parent4af01079ce2f2d2528d72b8ce5be018f68ea7d73 (diff)
Merging r310691:
------------------------------------------------------------------------ r310691 | rsmith | 2017-08-10 19:04:19 -0700 (Thu, 10 Aug 2017) | 2 lines PR33489: A function-style cast to a deduced class template specialization type is type-dependent if it can't be resolved due to a type-dependent argument. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_50@310719 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/AST/ExprCXX.cpp4
-rw-r--r--test/SemaCXX/cxx1z-class-template-argument-deduction.cpp23
2 files changed, 26 insertions, 1 deletions
diff --git a/lib/AST/ExprCXX.cpp b/lib/AST/ExprCXX.cpp
index 6713fca045..fe45b5e47f 100644
--- a/lib/AST/ExprCXX.cpp
+++ b/lib/AST/ExprCXX.cpp
@@ -1052,7 +1052,9 @@ CXXUnresolvedConstructExpr::CXXUnresolvedConstructExpr(TypeSourceInfo *Type,
:Type->getType()->isRValueReferenceType()? VK_XValue
:VK_RValue),
OK_Ordinary,
- Type->getType()->isDependentType(), true, true,
+ Type->getType()->isDependentType() ||
+ Type->getType()->getContainedDeducedType(),
+ true, true,
Type->getType()->containsUnexpandedParameterPack()),
Type(Type),
LParenLoc(LParenLoc),
diff --git a/test/SemaCXX/cxx1z-class-template-argument-deduction.cpp b/test/SemaCXX/cxx1z-class-template-argument-deduction.cpp
index 668c242802..9232a8b6eb 100644
--- a/test/SemaCXX/cxx1z-class-template-argument-deduction.cpp
+++ b/test/SemaCXX/cxx1z-class-template-argument-deduction.cpp
@@ -286,6 +286,29 @@ namespace tuple_tests {
}
}
+namespace dependent {
+ template<typename T> struct X {
+ X(T);
+ };
+ template<typename T> int Var(T t) {
+ X x(t);
+ return X(x) + 1; // expected-error {{invalid operands}}
+ }
+ template<typename T> int Cast(T t) {
+ return X(X(t)) + 1; // expected-error {{invalid operands}}
+ }
+ template<typename T> int New(T t) {
+ return X(new X(t)) + 1; // expected-error {{invalid operands}}
+ };
+ template int Var(float); // expected-note {{instantiation of}}
+ template int Cast(float); // expected-note {{instantiation of}}
+ template int New(float); // expected-note {{instantiation of}}
+ template<typename T> int operator+(X<T>, int);
+ template int Var(int);
+ template int Cast(int);
+ template int New(int);
+}
+
#else
// expected-no-diagnostics