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Subject: [Bug c/46243] New: [4.6 Regression]=?UTF-8?Q?=20expected=20tree=20that=20contains=20=E2=80=98decl=20minimal=E2=80=99=20structure?=,=?UTF-8?Q?=20have=20=E2=80=98tree=5Flist=E2=80=99=20in=20start=5Fdecl?=, at c-decl.c:4049
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D46243

           Summary: [4.6 Regression] expected tree that contains =E2=80=98d=
ecl
                    minimal=E2=80=99 structure, have =E2=80=98tree_list=E2=
=80=99 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 declara=
tion
[enabled by default]
pr14963.c:1:1: internal compiler error: tree check: expected tree that cont=
ains
=E2=80=98decl minimal=E2=80=99 structure, have =E2=80=98tree_list=E2=80=99 =
in start_decl, at c-decl.c:4049
Please submit a full bug report,
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See <http://gcc.gnu.org/bugs.html> for instructions.