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| author | Victor Stinner <victor.stinner@gmail.com> | 2015-03-23 20:20:27 (GMT) |
|---|---|---|
| committer | Victor Stinner <victor.stinner@gmail.com> | 2015-03-23 20:20:27 (GMT) |
| commit | 19276f184f00829ce55ce0e98f8db06d93b7d665 (patch) | |
| tree | 6ff82eeae3c48489efb8c1db2aa0d0724692f7bf /Modules | |
| parent | d4c2ac83944e48a02e5f11adba312d5b3b985150 (diff) | |
| download | cpython-19276f184f00829ce55ce0e98f8db06d93b7d665.zip cpython-19276f184f00829ce55ce0e98f8db06d93b7d665.tar.gz cpython-19276f184f00829ce55ce0e98f8db06d93b7d665.tar.bz2 | |
Issue #23654: Fix faulthandler._stack_overflow() for the Intel C Compiler (ICC)
Issue #23654: Turn off ICC's tail call optimization for the stack_overflow
generator. ICC turns the recursive tail call into a loop.
Patch written by Matt Frank.
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/faulthandler.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/Modules/faulthandler.c b/Modules/faulthandler.c index 01e7beb..c729414 100644 --- a/Modules/faulthandler.c +++ b/Modules/faulthandler.c @@ -911,7 +911,14 @@ faulthandler_fatal_error_py(PyObject *self, PyObject *args) } #if defined(HAVE_SIGALTSTACK) && defined(HAVE_SIGACTION) -static Py_uintptr_t +#ifdef __INTEL_COMPILER + /* Issue #23654: Turn off ICC's tail call optimization for the + * stack_overflow generator. ICC turns the recursive tail call into + * a loop. */ +# pragma intel optimization_level 0 +#endif +static +Py_uintptr_t stack_overflow(Py_uintptr_t min_sp, Py_uintptr_t max_sp, size_t *depth) { /* allocate 4096 bytes on the stack at each call */ |