[Bug debug/59575] [4.9 regression] ICE in maybe_record_trace_start, at dwarf2cfi.c:2239

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59575

--- Comment #19 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Ryan Mansfield from comment #18)
> (In reply to Jakub Jelinek from comment #17)
> > Can I ask for preprocessed source + options again?
> 
> $ cat ~/conftest.c
> void bar ();
> void clean (int *);
> void foo ()
> {
>   int i __attribute__ ((cleanup (clean)));
>   bar();  
> }
> 
> ryan@zoidberg:~/gnu/gcc/trunk/arm-eabi/gcc$ ./xgcc -B. -fexceptions
> ~/conftest.c 
> /home/ryan/conftest.c: In function 'foo':
> /home/ryan/conftest.c:7:1: internal compiler error: Segmentation fault
>  }
>  ^
> 0x95cbcf crash_signal
> 	../../gcc/toplev.c:337
> 0xbef5a6 arm_unwind_emit_sequence
> 	../../gcc/config/arm/arm.c:28729
> 0xbef5a6 arm_unwind_emit
> 	../../gcc/config/arm/arm.c:28970
> 0x708ede final_scan_insn(rtx_def*, _IO_FILE*, int, int, int*)
> 	../../gcc/final.c:2978
> 0x709885 final(rtx_def*, _IO_FILE*, int)
> 	../../gcc/final.c:2024
> 0x709ca9 rest_of_handle_final
> 	../../gcc/final.c:4438
> 0x709ca9 execute
> 	../../gcc/final.c:4513
> Please submit a full bug report,
> with preprocessed source if appropriate.
> Please include the complete backtrace with any bug report.
> See <http://gcc.gnu.org/bugs.html> for instructions.

Sorry, can't reproduce.  Can you run it in the debugger
p debug_rtx (p)
up
p debug_rtx (insn)
?