ICE with PTR-PLUS on x86_64

[Uros Bizjak <ubizjak at gmail dot com>]

Hello!

>   This patch merges in the pointer_plus branch.  Hopefully I did not mess 
> anything up.
> Even though I am adding a normal ChangeLog entry, I am keeping the 
> ChangeLog.ptr's around.

Probably just something that slipped through the crack:

/home/uros/gcc-svn/trunk/gcc/testsuite/gcc.c-torture/execute/920625-1.c:12: 
internal compiler error: in build2_stat, at tree.c:3080^M
Please submit a full bug report,^M
with preprocessed source if appropriate.^M
See <URL:http://gcc.gnu.org/bugs.html> for instructions.^M
compiler exited with status 1


(gdb) bt
#0  fancy_abort (file=0xaf9c68 "../../gcc-svn/trunk/gcc/tree.c", line=3080,
   function=0xafc7ce "build2_stat")
   at ../../gcc-svn/trunk/gcc/diagnostic.c:655
#1  0x00000000007c8a27 in build2_stat (code=POINTER_PLUS_EXPR,
   tt=0x2aaaae011840, arg0=0x2aaaadffcf00, arg1=0x2aaaae16c630)
   at ../../gcc-svn/trunk/gcc/tree.c:3077
#2  0x0000000000805730 in ix86_gimplify_va_arg (valist=<value optimized 
out>,
   type=0x2aaaae159f00, pre_p=0x7fffb85793a0, post_p=<value optimized out>)
   at ../../gcc-svn/trunk/gcc/config/i386/i386.c:5025
#3  0x00000000004b2f56 in gimplify_va_arg_expr (expr_p=0x2aaaadffc3b8,
   pre_p=0x7fffb85793a0, post_p=0x7fffb8579398)
   at ../../gcc-svn/trunk/gcc/builtins.c:4894
#4  0x00000000005c77c9 in gimplify_expr (expr_p=0x2aaaadffc3b8,
   pre_p=0x7fffb85793a0, post_p=0x7fffb8579398,
   gimple_test_f=0x6bed40 <is_gimple_mem_rhs>, fallback=fb_rvalue)
   at ../../gcc-svn/trunk/gcc/gimplify.c:5601
#5  0x00000000005d6ef9 in gimplify_modify_expr (expr_p=0x2aaaae15fed0,
   pre_p=0x7fffb85793a0, post_p=0x7fffb8579398, want_value=0 '\0')
   at ../../gcc-svn/trunk/gcc/gimplify.c:3622
#6  0x00000000005c6e6b in gimplify_expr (expr_p=0x2aaaae15fed0,
   pre_p=0x7fffb85793a0, post_p=0x7fffb8579398,
   gimple_test_f=0x6bebf0 <is_gimple_stmt>, fallback=fb_none)
   at ../../gcc-svn/trunk/gcc/gimplify.c:5566
---Type <return> to continue, or q <return> to quit---
#7  0x00000000005c7b2e in gimplify_expr (expr_p=0x2aaaadff7a88,
   pre_p=0x7fffb85794b0, post_p=0x7fffb85794a8,
   gimple_test_f=0x6bebf0 <is_gimple_stmt>, fallback=fb_none)
   at ../../gcc-svn/trunk/gcc/gimplify.c:3815
#8  0x00000000005cdb86 in gimplify_to_stmt_list (stmt_p=0xaf9c68)
   at ../../gcc-svn/trunk/gcc/gimplify.c:4363
#9  0x00000000005ce104 in gimplify_bind_expr (expr_p=0x2aaaae15ffb0,
   pre_p=0x7fffb8579630) at ../../gcc-svn/trunk/gcc/gimplify.c:1095
#10 0x00000000005c7361 in gimplify_expr (expr_p=0x2aaaae15ffb0,
   pre_p=0x7fffb8579630, post_p=0x7fffb8579628,
   gimple_test_f=0x6bebf0 <is_gimple_stmt>, fallback=fb_none)
   at ../../gcc-svn/trunk/gcc/gimplify.c:5677
#11 0x00000000005c7b2e in gimplify_expr (expr_p=0x2aaaadff7b78,
   pre_p=0x7fffb8579740, post_p=0x7fffb8579738,
   gimple_test_f=0x6bebf0 <is_gimple_stmt>, fallback=fb_none)
   at ../../gcc-svn/trunk/gcc/gimplify.c:3815
#12 0x00000000005cdb86 in gimplify_to_stmt_list (stmt_p=0xaf9c68)
   at ../../gcc-svn/trunk/gcc/gimplify.c:4363
#13 0x00000000005ce104 in gimplify_bind_expr (expr_p=0x2aaaae15a6b0,
   pre_p=0x7fffb85798c0) at ../../gcc-svn/trunk/gcc/gimplify.c:1095
#14 0x00000000005c7361 in gimplify_expr (expr_p=0x2aaaae15a6b0,
   pre_p=0x7fffb85798c0, post_p=0x7fffb85798b8,
   gimple_test_f=0x6bebf0 <is_gimple_stmt>, fallback=fb_none)
---Type <return> to continue, or q <return> to quit---