The following code snippet triggers an ICE on mainline:
==============================
struct A {};
bool b = (auto (A::*)())0;
==============================
bug.cc:3: internal compiler error: in type_contains_placeholder_1, at
tree.c:2600
Please submit a full bug report, [etc.]
The bug appeared with the patches for the new 'auto' semantics.
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Summary: [4.4 regression] ICE with ptr-to-mem-fun-returning-auto
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code, monitored
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: reichelt at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37966