http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59575
--- Comment #20 from Ryan Mansfield <rmansfield at qnx dot com> ---
> Sorry, can't reproduce. Can you run it in the debugger
> p debug_rtx (p)
> up
> p debug_rtx (insn)
> ?
Sorry for the delay.
Starting program: /home/ryan/gnu/gcc/trunk/arm-eabi/gcc/./cc1 -fexceptions
/home/ryan/conftest.c
foo
Analyzing compilation unit
Performing interprocedural optimizations
<*free_lang_data> <visibility> <early_local_cleanups> <*free_inline_summary>
<whole-program> <inline>Assembling functions:
foo
Program received signal SIGSEGV, Segmentation fault.
0x0000000000c285e2 in arm_unwind_emit_sequence (asm_out_file=0x165d930,
p=0x7ffff6dd20a0) at ../../gcc/config/arm/arm.c:28728
28728 e = XEXP (SET_DEST (e), 0);
(gdb) p debug_rtx(p)
(sequence [
(set/f (reg/f:SI 13 sp)
(plus:SI (reg/f:SI 13 sp)
(const_int -16 [0xfffffffffffffff0])))
(set/f (mem/c:SI (reg/f:SI 13 sp) [0 S4 A32])
(reg:SI 4 r4))
(set/f (mem/c:SI (plus:SI (reg/f:SI 13 sp)
(const_int 4 [0x4])) [0 S4 A32])
(reg:SI 5 r5))
(set/f (mem/c:SI (plus:SI (reg/f:SI 13 sp)
(const_int 8 [0x8])) [0 S4 A32])
(reg/f:SI 11 fp))
(set/f (mem/c:SI (plus:SI (reg/f:SI 13 sp)
(const_int 12 [0xc])) [0 S4 A32])
(reg:SI 14 lr))
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
])
$2 = void
(gdb) up
#1 0x0000000000c2905e in arm_unwind_emit (asm_out_file=0x165d930,
insn=0x7ffff6dd31f8) at ../../gcc/config/arm/arm.c:28969
28969 arm_unwind_emit_sequence (asm_out_file, pat);
(gdb) p debug_rtx(insn)
(insn/f 65 3 66 (parallel [
(set (mem/c:BLK (pre_modify:SI (reg/f:SI 13 sp)
(plus:SI (reg/f:SI 13 sp)
(const_int -16 [0xfffffffffffffff0]))) [0 A8])
(unspec:BLK [
(reg:SI 4 r4)
] UNSPEC_PUSH_MULT))
(use (reg:SI 5 r5))
(use (reg/f:SI 11 fp))
(use (reg:SI 14 lr))
]) /home/ryan/conftest.c:4 341 {*push_multi}
(expr_list:REG_FRAME_RELATED_EXPR (sequence [
(set/f (reg/f:SI 13 sp)
(plus:SI (reg/f:SI 13 sp)
(const_int -16 [0xfffffffffffffff0])))
(set/f (mem/c:SI (reg/f:SI 13 sp) [0 S4 A32])
(reg:SI 4 r4))
(set/f (mem/c:SI (plus:SI (reg/f:SI 13 sp)
(const_int 4 [0x4])) [0 S4 A32])
(reg:SI 5 r5))
(set/f (mem/c:SI (plus:SI (reg/f:SI 13 sp)
(const_int 8 [0x8])) [0 S4 A32])
(reg/f:SI 11 fp))
(set/f (mem/c:SI (plus:SI (reg/f:SI 13 sp)
(const_int 12 [0xc])) [0 S4 A32])
(reg:SI 14 lr))
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
(nil)
])
(nil)))
$3 = void
