[Bug c/46243] New: [4.6 Regression] expected tree that contains âdecl minimalâ structure, have âtree_listâ in start_decl, at c-decl.c:4049

["bonzini at gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46243

           Summary: [4.6 Regression] expected tree that contains âdecl
                    minimalâ structure, have âtree_listâ in start_decl, at
                    c-decl.c:4049
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: bonzini@gnu.org
                CC: froydnj@gcc.gnu.org


I'm seeing the error on the following code:

void Y(Z); /* { dg-error "" "error before" } */

which is a modified version of gcc.dg/pr14963.c

pr14963.c:1:1: warning: parameter names (without types) in function declaration
[enabled by default]
pr14963.c:1:1: internal compiler error: tree check: expected tree that contains
âdecl minimalâ structure, have âtree_listâ in start_decl, at c-decl.c:4049
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