See comment #4 of pr40385:
=== libffi Summary for unix ===
# of expected passes 1594
# of expected failures 10
# of unsupported tests 15
Running target unix/-m64
FAIL: libffi.call/closure_fn0.c -O0 -W -Wall execution test
...
FAIL: libffi.special/unwindtest.cc -shared-libgcc -lstdc++ execution test
=== libffi Summary for unix/-m64 ===
# of expected passes 776
# of unexpected failures 409
# of expected failures 10
# of unsupported tests 15
=== libffi Summary ===
# of expected passes 2370
# of unexpected failures 409
# of expected failures 20
# of unsupported tests 30
I have had a look at some crash reports. They look as:
[ibook-dhum] gcc/_gcc_clean% cat
~/Library/Logs/CrashReporter/closure_fn0.exe_2009-06-15-074300_ibook-dhum.crash
Process: closure_fn0.exe [67697]
Path: ./closure_fn0.exe
Identifier: closure_fn0.exe
Version: ??? (???)
Code Type: X86-64 (Native)
Parent Process: expect [60005]
Date/Time: 2009-06-15 07:43:00.456 +0200
OS Version: Mac OS X 10.5.7 (9J61)
Report Version: 6
Anonymous UUID: E80146C8-66E0-457D-87E0-4A904418933C
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000100100210
Crashed Thread: 0
Thread 0 Crashed:
0 ??? 0x0000000100100210 0 + 4296016400
1 closure_fn0.exe 0x00000001000009f4 start + 52
Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x0000000100100210 rbx: 0x00007fff5fbf8c60 rcx: 0x0000000000000004
rdx: 0x0000000000000003
rdi: 0x0000000000000001 rsi: 0x0000000000000002 rbp: 0x00007fff5fbf8ca0
rsp: 0x00007fff5fbf8b88
r8: 0x000000000000007f r9: 0x00000000000001ad r10: 0x0000000100002150
r11: 0x0000000100004f20
r12: 0x0000000000000000 r13: 0x0000000000000000 r14: 0x0000000000000000
r15: 0x0000000000000000
rip: 0x0000000100100210 rfl: 0x0000000000010246 cr2: 0x0000000100100210
Binary Images:
0x100000000 - 0x100000fff +closure_fn0.exe ??? (???)
<6d8a3f27722de7f10c1822591331d4f3>
/Volumes/MacBook/opt/gcc/i686-darwin/i686-apple-darwin9/libffi/testsuite/closure_fn0.exe
0x100003000 - 0x100005ff7 +libffi.4.dylib ??? (???)
<ca0f9c56e408e1f77be7289ad188fc7e>
/opt/gcc/i686-darwin/i686-apple-darwin9/x86_64/libffi/.libs/libffi.4.dylib
0x10000a000 - 0x10001eff1 +libgcc_s.1.dylib ??? (???)
<28ae595aba1589142c1755e5b0ac38dc> /opt/gcc/i686-darwin/gcc/libgcc_s.1.dylib
0x7fff5fc00000 - 0x7fff5fc2e643 dyld 97.1 (???)
<b40847f1ce1ba2ed13837aeccbf19284> /usr/lib/dyld
0x7fff82d7e000 - 0x7fff82f09ffb libSystem.B.dylib ??? (???)
<558e10ab4bc6790fd3ee1abd14458085> /usr/lib/libSystem.B.dylib
0x7fff83fe2000 - 0x7fff83fe6fff libmathCommon.A.dylib ??? (???)
/usr/lib/system/libmathCommon.A.dylib
0x7fffffe00000 - 0x7fffffe01780 libSystem.B.dylib ??? (???)
/usr/lib/libSystem.B.dylib
--
Summary: [4.5 Regression] libffi badly broken with -m64 by some
revision between 148383 and 148472.
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libffi
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: dominiq at lps dot ens dot fr
GCC build triplet: i686-apple-darwin9
GCC host triplet: i686-apple-darwin9
GCC target triplet: i686-apple-darwin9
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40444
