http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51585
Bug #: 51585
Summary: [4.7 Regression] verify_flow_info failed ICE with
virtual inheritance
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: [email protected]
ReportedBy: [email protected]
The following valid code snippet triggers an ICE on trunk:
==========================
struct A {};
struct B : virtual A
{
virtual A& foo();
};
struct C : B
{
virtual B& foo();
};
B& C::foo() {}
==========================
bug.cc: In member function 'B& C::_ZTch0_v0_n12_N1C3fooEv()':
bug.cc:10:14: error: fallthru to exit from bb 2
bug.cc:10:14: error: fallthru edge after a control statement in bb 2
bug.cc:10:14: error: wrong outgoing edge flags at end of bb 2
bug.cc:10:14: internal compiler error: verify_flow_info failed
Please submit a full bug report, [etc.]
