[PATCH] D20923: [Sema] Fix a crash on invalid where invalid defaulted function is called

Phabricator via cfe-commits cfe-commits at lists.llvm.org
Mon Jun 20 13:11:16 PDT 2016


This revision was automatically updated to reflect the committed changes.
Closed by commit rL273193: [Sema] Only define function as move assignment when needed (authored by epilk).

Changed prior to commit:
  http://reviews.llvm.org/D20923?vs=59409&id=61296#toc

Repository:
  rL LLVM

http://reviews.llvm.org/D20923

Files:
  cfe/trunk/lib/Sema/SemaExpr.cpp
  cfe/trunk/test/SemaCXX/cxx0x-defaulted-functions.cpp

Index: cfe/trunk/lib/Sema/SemaExpr.cpp
===================================================================
--- cfe/trunk/lib/Sema/SemaExpr.cpp
+++ cfe/trunk/lib/Sema/SemaExpr.cpp
@@ -13012,7 +13012,7 @@
       if (MethodDecl->isDefaulted() && !MethodDecl->isDeleted()) {
         if (MethodDecl->isCopyAssignmentOperator())
           DefineImplicitCopyAssignment(Loc, MethodDecl);
-        else
+        else if (MethodDecl->isMoveAssignmentOperator())
           DefineImplicitMoveAssignment(Loc, MethodDecl);
       }
     } else if (isa<CXXConversionDecl>(MethodDecl) &&
Index: cfe/trunk/test/SemaCXX/cxx0x-defaulted-functions.cpp
===================================================================
--- cfe/trunk/test/SemaCXX/cxx0x-defaulted-functions.cpp
+++ cfe/trunk/test/SemaCXX/cxx0x-defaulted-functions.cpp
@@ -196,3 +196,15 @@
   A<int> a;
   B<int> b; // expected-note {{here}}
 }
+
+namespace PR27941 {
+struct ExplicitBool {
+  ExplicitBool &operator=(bool) = default; // expected-error{{only special member functions may be defaulted}}
+  int member;
+};
+
+int fn() {
+  ExplicitBool t;
+  t = true;
+}
+}


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