The following invalid code snippet triggers an ICE on mainline:
================================================================
template<typename int M, int N, int (*... p)[N]> struct A {};
A<0> a;
================================================================
bug.cc:1: error: expected nested-name-specifier before 'int'
bug.cc:1: error: two or more data types in declaration of 'M'
bug.cc:1: error: no default argument for 'N'
bug.cc:1: error: no default argument for 'p'
bug.cc:3: error: '<type error>' is not a valid type for a template constant
parameter
bug.cc:3: error: template argument 2 is invalid
bug.cc:3: internal compiler error: tree check: accessed elt 2 of tree_vec with
1 elts in tsubst, at cp/pt.c:8934
Please submit a full bug report, [etc.]
The ICE appeared between 2007-10-13 and 2007-11-13.
Maybe related to PR34751.
--
Summary: [4.3 regression] ICE with invalid parameters in variadic
template
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code, error-recovery, 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=34757
