Re: c/6643: gcc fails in tree check for assignment to variable sized array

Re: c/6643: gcc fails in tree check for assignment to variable sized array

[jakub]

Synopsis: gcc fails in tree check for assignment to variable sized array

Responsible-Changed-From-To: unassigned->jakub
Responsible-Changed-By: jakub
Responsible-Changed-When: Mon May 13 07:16:52 2002
Responsible-Changed-Why:
    http://gcc.gnu.org/ml/gcc-patches/2001-12/msg02054.html

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=6643

Re: c/6643: gcc fails in tree check for assignment to variable sized array

[bangerth]

Synopsis: gcc fails in tree check for assignment to variable sized array

State-Changed-From-To: open->closed
State-Changed-By: bangerth
State-Changed-When: Tue Jan  7 17:05:30 2003
State-Changed-Why:
    Fix went in long ago.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=6643

c/6643: gcc fails in tree check for assignment to variable sized array

[pthomas]

>Number:         6643
>Category:       c
>Synopsis:       gcc fails in tree check for assignment to variable sized array
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon May 13 04:06:05 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Philipp Thomas, SuSE Linux Ag
>Release:        3.1 20020506
>Organization:
>Environment:
axp-suse-linux
>Description:
Given this test case:

void foo (unsigned int len)
{
    char str[len];
    str[0] = '\0';
}

gcc with checking enabled fails with:

t.c: In function `foo':
t.c:5: tree check: expected integer_cst, have plus_expr in tree_int_cst_sgn, at tree.c:3513

>How-To-Repeat:

>Fix:

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