[Bug c/42146] New: ICE in tree_low_cst

[hutchinsonandy at gcc dot gnu dot org]

The test trunk/gcc/testsuite/gcc.dg/large-size-array-2.c causes ICE on AVR
target.

/* PR c/25309 */
/* { dg-do compile } */
/* { dg-options "-O2" } */
static char * name[] = {
    [0x80000000]  = "bar"
  };
/* { dg-error "too large" "" { target { { ! lp64 } && { ! llp64 } } }  6 } */


llp645503.c:2:6: error: size of array 'dummy' is negative

Executing on host: /media/verbatim/gcchead/obj-dir/gcc/xgcc
-B/media/verbatim/gcchead/obj-dir/gcc/
/media/verbatim/gcchead/trunk/gcc/testsuite/gcc.dg/large-size-array-2.c   -O2
-DSTACK_SIZE=2048 -DNO_TRAMPOLINES -S  -DSIGNAL_SUPPRESS -mmcu=atmega128   -o
large-size-array-2.s    (timeout = 300)
/media/verbatim/gcchead/trunk/gcc/testsuite/gcc.dg/large-size-array-2.c:6:3:
internal compiler error: in tree_low_cst, at tree.c:6199


-- 
           Summary: ICE in tree_low_cst
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: hutchinsonandy at gcc dot gnu dot org
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: avr-unknown-none


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42146