[Bug objc/40507] New: ICE on invalid ObjC code

[debian-gcc at lists dot debian dot org]

$ /scratch/packages/gcc/snap/gcc-snapshot-20090620/build/gcc/xgcc
-B/scratch/packages/gcc/snap/gcc-snapshot-20090620/build/gcc/ -c
NSStringTest.mi 
NSStringTest.m: In function '+[NSStringTest modulusOn:by:]':
NSStringTest.m:64:12: error: expected ':' before ']' token
NSStringTest.m:64:12: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: 3c6a6df60777a1ffe3c8f08ba2449167
NSStringTest.m: In function '+[NSStringTest modulusOn:by:]':
NSStringTest.m:64:12: error: expected ':' before ']' token

Program received signal SIGSEGV, Segmentation fault.
objc_build_message_expr (mess=0xf7528e70) at ../../src/gcc/objc/objc-act.c:6280
6280      if (TREE_CODE (args) == IDENTIFIER_NODE)
(gdb) bt
#0  objc_build_message_expr (mess=0xf7528e70) at
../../src/gcc/objc/objc-act.c:6280
#1  0x080e8992 in c_parser_postfix_expression (parser=0xf7d3dc78) at
../../src/gcc/c-parser.c:5665
#2  0xf7528e70 in ?? ()
#3  0x00000000 in ?? ()
(gdb) p args
$1 = (tree) 0x0


-- 
           Summary: ICE on invalid ObjC code
           Product: gcc
           Version: 4.4.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: objc
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: debian-gcc at lists dot debian dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40507