http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54761
--- Comment #3 from Uros Bizjak <ubizjak at gmail dot com> 2012-10-01 08:48:24
UTC ---
FWIW, btest from libbacktrace already fails with:
test1: [0]: got C expected test.c
test1: [0]: got 197864 expected 303
test1: [0]: got expected f3
FAIL: backtrace_full noinline
test2: [0]: got expected test.c
test2: [0]: got 213088 expected 355
test2: [0]: got ELF expected f13
FAIL: backtrace_full inline
Segmentation fault
where:
Program received signal SIGSEGV, Segmentation fault.
check () at ../../../gcc-svn/trunk/libbacktrace/btest.c:116
116 for (s = p; *s != '\0'; ++s)
(gdb) bt
#0 check () at ../../../gcc-svn/trunk/libbacktrace/btest.c:116
#1 0x0000000120001e88 in f23.constprop.4 () at
../../../gcc-svn/trunk/libbacktrace/btest.c:448
#2 0x0000000120002148 in f22.constprop.3 () at
../../../gcc-svn/trunk/libbacktrace/btest.c:390
#3 0x0000000120002178 in test3 () at
../../../gcc-svn/trunk/libbacktrace/btest.c:384
#4 0x0000000120001208 in main () at
../../../gcc-svn/trunk/libbacktrace/btest.c:623
(gdb) li
111 {
112 const char *last;
113 const char *s;
114
115 last = NULL;
116 for (s = p; *s != '\0'; ++s)
117 {
118 if (IS_DIR_SEPARATOR (*s))
119 last = s + 1;
120 }
