https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71103
Bug ID: 71103
Summary: avr-gcc crashes with unrecognizable insn error
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: major
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: pitchumani.s at hotmail dot com
Target Milestone: ---
struct ResponseStruct{
unsigned char responseLength;
char *response;
};
static char response[5];
struct ResponseStruct something(){
struct ResponseStruct returnValue;
returnValue.responseLength = 5;
returnValue.response = response;
return returnValue;
}
avr-gcc crashes when optimization is enabled for this test case.
$ avr-gcc test.c -mmcu=atmega1280 -O1
test.c: In function 'something':
test.c:12:1: error: unrecognizable insn:
}
^
(insn 6 5 7 2 (set (subreg:QI (reg:PSI 42 [ D.1499 ]) 1)
(subreg:QI (symbol_ref:HI ("response") [flags 0x2] <var_decl
0x7f183c702900 response>) 0)) test.c:11 -1
(nil))
test.c:12:1: internal compiler error: in extract_insn, at recog.c:2287
0xd51195 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/rudran/code/gcc/gcc/rtl-error.c:108
