CWG issue 1405: mutable members are allowed in literal types, but can't undergo
lvalue-to-rvalue conversions in constant expressions.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150145 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclCXX.cpp b/lib/AST/DeclCXX.cpp
index d522103..aa24e9b 100644
--- a/lib/AST/DeclCXX.cpp
+++ b/lib/AST/DeclCXX.cpp
@@ -800,11 +800,7 @@
}
// Record if this field is the first non-literal field or base.
- // As a slight variation on the standard, we regard mutable members as being
- // non-literal, since mutating a constexpr variable would break C++11
- // constant expression semantics.
- if ((!hasNonLiteralTypeFieldsOrBases() && !T->isLiteralType()) ||
- Field->isMutable())
+ if (!hasNonLiteralTypeFieldsOrBases() && !T->isLiteralType())
data().HasNonLiteralTypeFieldsOrBases = true;
if (Field->hasInClassInitializer()) {