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authorDouglas Gregor <dgregor@apple.com>2013-03-26 23:59:23 +0000
committerDouglas Gregor <dgregor@apple.com>2013-03-26 23:59:23 +0000
commitdefa32ef4fdc166d39d2d0859e5edbd78da2ddd0 (patch)
tree6d577d6302e8cda5e37593f2349f5e182f4654a4 /lib/Sema/SemaInit.cpp
parentddb61764abf07ea4580796752d87fda53378ba26 (diff)
<rdar://problem/13278115> Improve diagnostic when failing to bind an rvalue reference to an lvalue of compatible type.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178095 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaInit.cpp')
-rw-r--r--lib/Sema/SemaInit.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Sema/SemaInit.cpp b/lib/Sema/SemaInit.cpp
index 8516422e4d..63309e376e 100644
--- a/lib/Sema/SemaInit.cpp
+++ b/lib/Sema/SemaInit.cpp
@@ -3518,6 +3518,14 @@ static void TryReferenceInitializationCore(Sema &S,
return;
}
+ if ((RefRelationship == Sema::Ref_Compatible ||
+ RefRelationship == Sema::Ref_Compatible_With_Added_Qualification) &&
+ isRValueRef && InitCategory.isLValue()) {
+ Sequence.SetFailed(
+ InitializationSequence::FK_RValueReferenceBindingToLValue);
+ return;
+ }
+
Sequence.SetFailed(InitializationSequence::FK_ReferenceInitDropsQualifiers);
return;
}