When determining whether we can make a declaration into a global
constant, also consider whether it's a class type that has any mutable
fields. If so, it can't be a global constant.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131276 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBlocks.cpp b/lib/CodeGen/CGBlocks.cpp
index f26d79c..c6bedd2 100644
--- a/lib/CodeGen/CGBlocks.cpp
+++ b/lib/CodeGen/CGBlocks.cpp
@@ -189,23 +189,6 @@
}
}
-/// Determines if the given record type has a mutable field.
-static bool hasMutableField(const CXXRecordDecl *record) {
- for (CXXRecordDecl::field_iterator
- i = record->field_begin(), e = record->field_end(); i != e; ++i)
- if ((*i)->isMutable())
- return true;
-
- for (CXXRecordDecl::base_class_const_iterator
- i = record->bases_begin(), e = record->bases_end(); i != e; ++i) {
- const RecordType *record = i->getType()->castAs<RecordType>();
- if (hasMutableField(cast<CXXRecordDecl>(record->getDecl())))
- return true;
- }
-
- return false;
-}
-
/// Determines if the given type is safe for constant capture in C++.
static bool isSafeForCXXConstantCapture(QualType type) {
const RecordType *recordType =
@@ -222,7 +205,7 @@
// Otherwise, we just have to make sure there aren't any mutable
// fields that might have changed since initialization.
- return !hasMutableField(record);
+ return !record->hasMutableFields();
}
/// It is illegal to modify a const object after initialization.