https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38644
--- Comment #73 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Satish M from comment #72)
> This bug still exists in GCC 4.8.2 ARM. It can reproduced by adding one more
> argument in 'doStreamReadBlock' function in test case.
>
> /x86_64-unknown-linux-gnu/bin/gcc -B /x86_64-unknown-linux-gnu/bin
> -msoft-float -marm -mcpu=cortex-a9 -march=armv7-a -mno-thumb-interwork
> -mlong-calls -mno-unaligned-access -O2 test.c
>
> extern int doStreamReadBlock (int *, char *, int size, int, int);
>
> char readStream (int *s)
> {
> char c = 0;
> doStreamReadBlock (s, &c, 1, *s, 22);
> return c;
> }
>
> 00000000 <readStream>:
> 0: e1a0c00d mov ip, sp
> 4: e3a02000 mov r2, #0
> 8: e92dd800 push {fp, ip, lr, pc}
> c: e24cb004 sub fp, ip, #4
> 10: e24dd008 sub sp, sp, #8
> 14: e24b100c sub r1, fp, #12
> 18: e3a0c016 mov ip, #22
> 1c: e5612001 strb r2, [r1, #-1]!
> 20: e3a02001 mov r2, #1
> 24: e5903000 ldr r3, [r0]
> 28: e58dc000 str ip, [sp]
> 2c: e59fc00c ldr ip, [pc, #12] ; 40 <readStream+0x40>
> 30: e12fff3c blx ip
> 34: e24bd00c sub sp, fp, #12 <---- Stack frame
> de-allocated
> 38: e55b000d ldrb r0, [fp, #-13] <---- Accessing stack.
> 3c: e89da800 ldm sp, {fp, sp, pc}
> 40: 00000000 andeq r0, r0, r0
Please open a new bugreport.
