lang/ruby23: fix setjmp clobbered variables

PR:		206111
Submitted by:	dim

5 files changed, 81 insertions, 0 deletions

diff --git a/lang/ruby23/files/patch-eval.c b/lang/ruby23/files/patch-eval.c
new file mode 100644
index 000000000000..426c85f26003
--- /dev/null
+++ b/lang/ruby23/files/patch-eval.c
@@ -0,0 +1,20 @@
+--- eval.c.orig	2015-11-20 01:17:25.000000000 +0100
++++ eval.c	2016-01-10 19:24:26.101707000 +0100
+@@ -788,7 +788,7 @@ rb_rescue2(VALUE (* b_proc) (ANYARGS), V
+ {
+     int state;
+     rb_thread_t *th = GET_THREAD();
+-    rb_control_frame_t *cfp = th->cfp;
++    rb_control_frame_t *volatile cfp = th->cfp;
+     volatile VALUE result = Qfalse;
+     volatile VALUE e_info = th->errinfo;
+     va_list args;
+@@ -854,7 +854,7 @@ rb_protect(VALUE (* proc) (VALUE), VALUE
+     volatile VALUE result = Qnil;
+     volatile int status;
+     rb_thread_t *th = GET_THREAD();
+-    rb_control_frame_t *cfp = th->cfp;
++    rb_control_frame_t *volatile cfp = th->cfp;
+     struct rb_vm_protect_tag protect_tag;
+     rb_jmpbuf_t org_jmpbuf;
+ 
diff --git a/lang/ruby23/files/patch-eval_error.c b/lang/ruby23/files/patch-eval_error.c
new file mode 100644
index 000000000000..160d794a02ab
--- /dev/null
+++ b/lang/ruby23/files/patch-eval_error.c
@@ -0,0 +1,15 @@
+--- eval_error.c.orig	2015-10-31 02:22:51.000000000 +0100
++++ eval_error.c	2016-01-10 19:24:26.104099000 +0100
+@@ -80,9 +80,9 @@ static void
+ error_print(void)
+ {
+     volatile VALUE errat = Qundef;
+-    rb_thread_t *th = GET_THREAD();
+-    VALUE errinfo = th->errinfo;
+-    int raised_flag = th->raised_flag;
++    rb_thread_t *volatile th = GET_THREAD();
++    volatile VALUE errinfo = th->errinfo;
++    volatile int raised_flag = th->raised_flag;
+     volatile VALUE eclass = Qundef, e = Qundef;
+     const char *volatile einfo;
+     volatile long elen;
diff --git a/lang/ruby23/files/patch-thread.c b/lang/ruby23/files/patch-thread.c
new file mode 100644
index 000000000000..40106c0dd043
--- /dev/null
+++ b/lang/ruby23/files/patch-thread.c
@@ -0,0 +1,13 @@
+--- thread.c.orig	2015-12-09 01:38:32.000000000 +0100
++++ thread.c	2016-01-10 19:24:26.106834000 +0100
+@@ -466,8 +466,8 @@ rb_threadptr_unlock_all_locking_mutexes(
+ void
+ rb_thread_terminate_all(void)
+ {
+-    rb_thread_t *th = GET_THREAD(); /* main thread */
+-    rb_vm_t *vm = th->vm;
++    rb_thread_t *volatile th = GET_THREAD(); /* main thread */
++    rb_vm_t *volatile vm = th->vm;
+     volatile int sleeping = 0;
+ 
+     if (vm->main_thread != th) {
diff --git a/lang/ruby23/files/patch-vm_eval.c b/lang/ruby23/files/patch-vm_eval.c
new file mode 100644
index 000000000000..f322e6b574aa
--- /dev/null
+++ b/lang/ruby23/files/patch-vm_eval.c
@@ -0,0 +1,22 @@
+--- vm_eval.c.orig	2015-12-12 10:51:30.000000000 +0100
++++ vm_eval.c	2016-01-10 19:24:26.109468000 +0100
+@@ -1267,7 +1267,7 @@ eval_string_with_cref(VALUE self, VALUE 
+     int state;
+     VALUE result = Qundef;
+     VALUE envval;
+-    rb_thread_t *th = GET_THREAD();
++    rb_thread_t *volatile th = GET_THREAD();
+     rb_env_t *env = NULL;
+     rb_block_t block, *base_block;
+     volatile int parse_in_eval;
+@@ -2001,8 +2001,8 @@ rb_catch_protect(VALUE t, rb_block_call_
+ {
+     int state;
+     volatile VALUE val = Qnil;		/* OK */
+-    rb_thread_t *th = GET_THREAD();
+-    rb_control_frame_t *saved_cfp = th->cfp;
++    rb_thread_t *volatile th = GET_THREAD();
++    rb_control_frame_t *volatile saved_cfp = th->cfp;
+     volatile VALUE tag = t;
+ 
+     TH_PUSH_TAG(th);
diff --git a/lang/ruby23/files/patch-vm_trace.c b/lang/ruby23/files/patch-vm_trace.c
new file mode 100644
index 000000000000..2f3c3ec0f027
--- /dev/null
+++ b/lang/ruby23/files/patch-vm_trace.c
@@ -0,0 +1,11 @@
+--- vm_trace.c.orig	2015-12-14 03:52:14.000000000 +0100
++++ vm_trace.c	2016-01-10 19:24:26.111975000 +0100
+@@ -389,7 +389,7 @@ rb_suppress_tracing(VALUE (*func)(VALUE)
+     volatile int raised;
+     volatile int outer_state;
+     VALUE result = Qnil;
+-    rb_thread_t *th = GET_THREAD();
++    rb_thread_t *volatile th = GET_THREAD();
+     int state;
+     const int tracing = th->trace_arg ? 1 : 0;
+     rb_trace_arg_t dummy_trace_arg;