[Bug c/12553] New: [tree-ssa] ICE in gimplify_expr with volatiles

[falk at debian dot org]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12553

           Summary: [tree-ssa] ICE in gimplify_expr with volatiles
           Product: gcc
           Version: tree-ssa
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: falk at debian dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: alphaev68-unknown-linux-gnu
  GCC host triplet: alphaev68-unknown-linux-gnu
GCC target triplet: alphaev68-unknown-linux-gnu

falk@juist:~% cat volatile.c
void f()
{
    int x;
    volatile int y;
    &x == &y;
}

falk@juist:~% gcc -c -v volatile.c 
Reading specs from
/usr/local/stow/gcc-tree-ssa-2003.10.09/bin/../lib/gcc/alphaev68-unknown-linux-gnu/3.5-tree-ssa/specs
Configured with: ../configure --disable-nls --enable-languages=c++
Thread model: posix
gcc version 3.5-tree-ssa 20031009 (merged 20031005)
 /usr/local/stow/gcc-tree-ssa-2003.10.09/bin/../libexec/gcc/alphaev68-unknown-linux-gnu/3.5-tree-ssa/cc1 -quiet -v -iprefix /usr/local/stow/gcc-tree-ssa-2003.10.09/bin/../lib/gcc/alphaev68-unknown-linux-gnu/3.5-tree-ssa/ volatile.c -quiet -dumpbase volatile.c -mcpu=ev67 -auxbase volatile -version -o /tmp/ccJ0xY2C.s
ignoring nonexistent directory
"/usr/local/stow/gcc-tree-ssa-2003.10.09/bin/../lib/gcc/alphaev68-unknown-linux-gnu/3.5-tree-ssa/../../../../alphaev68-unknown-linux-gnu/include"
ignoring nonexistent directory "NONE/include"
ignoring duplicate directory
"/usr/local/lib/gcc/alphaev68-unknown-linux-gnu/3.5-tree-ssa/include"
ignoring nonexistent directory
"/usr/local/lib/gcc/alphaev68-unknown-linux-gnu/3.5-tree-ssa/../../../../alphaev68-unknown-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/stow/gcc-tree-ssa-2003.10.09/bin/../lib/gcc/alphaev68-unknown-linux-gnu/3.5-tree-ssa/include
 /usr/local/include
 /usr/include
End of search list.
GNU C version 3.5-tree-ssa 20031009 (merged 20031005) (alphaev68-unknown-linux-gnu)
        compiled by GNU C version 3.5-tree-ssa 20031009 (merged 20031005).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
volatile.c: In function `f':

volatile.c:5: internal compiler error: in gimplify_expr, at gimplify.c:678
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.