------- Comment #1 from developer at sandoe-acoustics dot co dot uk 2010-02-14 13:46 ------- confirmed, this can be reproduced outside the testsuite framework: for example... [ppc/darwin9/156749];
$ ./gcc/xgcc -B gcc ../gcc-4-5-trunk/gcc/testsuite/objc/execute/cascading-1.m -fnext-runtime -O1 -o tc -lobjc -g -save-temps $ gdb tc GNU gdb 6.3.50-20050815 (Apple version gdb-967) (Tue Jul 14 02:15:14 UTC 2009) Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "powerpc-apple-darwin"...Reading symbols for shared libraries ..... done (gdb) run Starting program: /Volumes/ScratchCS/gcc-4-5-trunk-build/tc Reading symbols for shared libraries +++... done Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_INVALID_ADDRESS at address: 0x466f6f20 0x9622dfd8 in objc_msgSend () (gdb) backtrace #0 0x9622dfd8 in objc_msgSend () #1 0x00001f8c in main (argc=<value temporarily unavailable, due to optimizations>, argv=<value temporarily unavailable, due to optimizations>) at ../gcc-4-5-trunk/gcc/testsuite/objc/execute/cascading-1.m:33 (gdb) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43061
