[dragonegg] r178248 - Fix a crash due to recent extra sanity checking of debug info. Note that the

[Duncan Sands]

Author: baldrick
Date: Thu Mar 28 11:48:47 2013
New Revision: 178248

URL: http://llvm.org/viewvc/llvm-project?rev=178248&view=rev
Log:
Fix a crash due to recent extra sanity checking of debug info.  Note that the
debug type now generated for OFFSET_TYPE might be wrong, but for sure the old
one was wrong.

Modified:
    dragonegg/trunk/src/Debug.cpp
    dragonegg/trunk/test/validator/c++/OffsetType.cpp

Modified: dragonegg/trunk/src/Debug.cpp
URL: http://llvm.org/viewvc/llvm-project/dragonegg/trunk/src/Debug.cpp?rev=178248&r1=178247&r2=178248&view=diff
==============================================================================
--- dragonegg/trunk/src/Debug.cpp (original)
+++ dragonegg/trunk/src/Debug.cpp Thu Mar 28 11:48:47 2013
@@ -936,20 +936,13 @@ DIType DebugInfo::getOrCreateType(tree t
 #if (GCC_MINOR > 5)
   case NULLPTR_TYPE:
 #endif
+  case OFFSET_TYPE:
   case POINTER_TYPE:
   case REFERENCE_TYPE:
     // Do not cache pointer type. The pointer may point to forward declared
     // struct.
     return createPointerType(type);
 
-  case OFFSET_TYPE: {
-    // gen_type_die(TYPE_OFFSET_BASETYPE(type), context_die);
-    // gen_type_die(TREE_TYPE(type), context_die);
-    // gen_ptr_to_mbr_type_die(type, context_die);
-    // PR 7104
-    break;
-  }
-
   case FUNCTION_TYPE:
   case METHOD_TYPE:
     Ty = createMethodType(type);

Modified: dragonegg/trunk/test/validator/c++/OffsetType.cpp
URL: http://llvm.org/viewvc/llvm-project/dragonegg/trunk/test/validator/c%2B%2B/OffsetType.cpp?rev=178248&r1=178247&r2=178248&view=diff
==============================================================================
--- dragonegg/trunk/test/validator/c++/OffsetType.cpp (original)
+++ dragonegg/trunk/test/validator/c++/OffsetType.cpp Thu Mar 28 11:48:47 2013
@@ -14,3 +14,12 @@ struct AnyPtrMem {
 void test_deduce_ptrmem_with_qual(AnyPtrMem apm) {
   const float X::* pm = apm;
 }
+
+struct A {
+  typedef A* (A::*MemberPointer);
+  A *m_ptr;
+};
+
+void foo() {
+  A::MemberPointer member = &A::m_ptr;
+}