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Date: Mon, 31 Mar 2003 14:46:00 -0000
From: gbeauchesne@mandrakesoft.com
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Subject: c++/10278: ICE in parser
X-SW-Source: 2003-03/txt/msg02106.txt.bz2
List-Id: <gcc-prs.sourceware.org>


>Number:         10278
>Category:       c++
>Synopsis:       ICE in parser
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          ice-on-illegal-code
>Submitter-Id:   net
>Arrival-Date:   Mon Mar 31 14:36:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     Gwenole Beauchesne
>Release:        GNU C++ version 3.2.3 20030329 (prerelease)
>Organization:
>Environment:
i686-pc-linux-gnu
>Description:
As a user reported in <http://gcc.gnu.org/ml/gcc-bugs/2003-03/msg01836.html>

With GNU C++ version 3.2.3 20030329 (prerelease)

[gb@hp6 gcc]$ ./cc1plus ~/vrac/parens3.C
 int main()
/home/gb/vrac/parens3.C:5: internal error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

With GNU C++ version 3.4 20030329 (experimental)

[gb@hp6 gcc]$ ./cc1plus ~/vrac/parens3.C
 int main()
/home/gb/vrac/parens3.C:5: error: expected identifier
/home/gb/vrac/parens3.C:5: internal compiler error: tree check: expected
   identifier_node, have error_mark in lookup_label, at cp/decl.c:4770
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

This is a regression from
gcc version 2.95.4 20011002 (Debian prerelease)
gcc version 2.96 20000731 (Mandrake Linux 9.1 2.96-0.82mdk, aka 2.96-RH 110)

Also fails with 3.0.4
>How-To-Repeat:
/* { dg-do compile } */
int main(void)
{
  char x, y;
  if ('A' == x) && ('B' == y)) { } /* { error "parse error" } */
  if (x == 'A') && (y == 'B')) { } /* { error "parse error" } */
}
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: