[Bug c++/50309] New: [4.6/4.7 Regression] [C++0x] ICE: tree check: expected tree_list, have error_mark in comp_except_specs, at cp/typeck.c:1014 on empty noexcept

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50309

             Bug #: 50309
           Summary: [4.6/4.7 Regression] [C++0x] ICE: tree check: expected
                    tree_list, have error_mark in comp_except_specs, at
                    cp/typeck.c:1014 on empty noexcept
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: zso...@seznam.cz


======== testcase.C ========
void foo () noexcept () {}
============================

Gives in 4.6 and 4.7:
$ gcc -std=gnu++0x testcase.C 
testcase.C:1:23: error: expected primary-expression before ')' token
testcase.C:1:23: internal compiler error: tree check: expected tree_list, have
error_mark in comp_except_specs, at cp/typeck.c:1016
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r178555 - crash
4.6 r177922 - crash
4.5 r177922 - noexcept is not recognized