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-rw-r--r--clang/lib/AST/ASTContext.cpp31
1 files changed, 12 insertions, 19 deletions
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 2f7288109c0..577dd0adaf2 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -7446,27 +7446,20 @@ bool ASTContext::DeclMustBeEmitted(const Decl *D) {
if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly)
return false;
- // Structs that have non-trivial constructors or destructors are required.
-
- // FIXME: Handle references.
- // FIXME: Be more selective about which constructors we care about.
- if (const RecordType *RT = VD->getType()->getAs<RecordType>()) {
- if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) {
- if (RD->hasDefinition() && !(RD->hasTrivialDefaultConstructor() &&
- RD->hasTrivialCopyConstructor() &&
- RD->hasTrivialMoveConstructor() &&
- RD->hasTrivialDestructor()))
- return true;
- }
- }
-
+ // Variables that can be needed in other TUs are required.
GVALinkage L = GetGVALinkageForVariable(VD);
- if (L == GVA_Internal || L == GVA_TemplateInstantiation) {
- if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this)))
- return false;
- }
+ if (L != GVA_Internal && L != GVA_TemplateInstantiation)
+ return true;
- return true;
+ // Variables that have destruction with side-effects are required.
+ if (VD->getType().isDestructedType())
+ return true;
+
+ // Variables that have initialization with side-effects are required.
+ if (VD->getInit() && VD->getInit()->HasSideEffects(*this))
+ return true;
+
+ return false;
}
CallingConv ASTContext::getDefaultCXXMethodCallConv(bool isVariadic) {
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