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-rw-r--r--cont.c10
-rw-r--r--eval.c4
-rw-r--r--eval_error.c4
-rw-r--r--thread.c4
-rw-r--r--vm_core.h2
-rw-r--r--vm_eval.c8
-rw-r--r--vm_trace.c2
7 files changed, 15 insertions, 19 deletions
diff --git a/cont.c b/cont.c
index 2d8b98dbf4..09127733c3 100644
--- a/cont.c
+++ b/cont.c
@@ -161,7 +161,7 @@ static VALUE rb_eFiberError;
if (!(ptr)) rb_raise(rb_eFiberError, "uninitialized fiber"); \
} while (0)
-NOINLINE(static VALUE cont_capture(volatile int *stat));
+NOINLINE(static VALUE cont_capture(int *volatile stat));
#define THREAD_MUST_BE_RUNNING(th) do { \
if (!(th)->tag) rb_raise(rb_eThreadError, "not running thread"); \
@@ -470,13 +470,9 @@ cont_new(VALUE klass)
}
static VALUE
-cont_capture(volatile int *stat)
-#if defined(__clang__) && \
- __clang_major__ == 3 && __clang_minor__ == 8 && __clang_patch__ == 0
-__attribute__ ((optnone))
-#endif
+cont_capture(int *volatile stat)
{
- rb_context_t *cont;
+ rb_context_t *volatile cont;
rb_thread_t *th = GET_THREAD();
volatile VALUE contval;
diff --git a/eval.c b/eval.c
index 6b4acf575d..178ff62137 100644
--- a/eval.c
+++ b/eval.c
@@ -813,7 +813,7 @@ rb_rescue2(VALUE (* b_proc) (ANYARGS), VALUE data1,
{
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;
@@ -879,7 +879,7 @@ rb_protect(VALUE (* proc) (VALUE), VALUE data, int * state)
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/eval_error.c b/eval_error.c
index c469474159..ff3db23a6b 100644
--- a/eval_error.c
+++ b/eval_error.c
@@ -73,10 +73,10 @@ error_print(rb_thread_t *th)
}
void
-rb_threadptr_error_print(rb_thread_t *th, VALUE errinfo)
+rb_threadptr_error_print(rb_thread_t *volatile th, volatile VALUE errinfo)
{
volatile VALUE errat = Qundef;
- int raised_flag = th->raised_flag;
+ volatile int raised_flag = th->raised_flag;
volatile VALUE eclass = Qundef, e = Qundef;
const char *volatile einfo;
volatile long elen;
diff --git a/thread.c b/thread.c
index 1dbb70d2d7..70a438c3b9 100644
--- a/thread.c
+++ b/thread.c
@@ -466,8 +466,8 @@ rb_threadptr_unlock_all_locking_mutexes(rb_thread_t *th)
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/vm_core.h b/vm_core.h
index 5191c7d466..694fe2d2ca 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -1562,7 +1562,7 @@ void rb_threadptr_unlock_all_locking_mutexes(rb_thread_t *th);
void rb_threadptr_pending_interrupt_clear(rb_thread_t *th);
void rb_threadptr_pending_interrupt_enque(rb_thread_t *th, VALUE v);
int rb_threadptr_pending_interrupt_active_p(rb_thread_t *th);
-void rb_threadptr_error_print(rb_thread_t *th, VALUE errinfo);
+void rb_threadptr_error_print(rb_thread_t *volatile th, volatile VALUE errinfo);
#define RUBY_VM_CHECK_INTS(th) ruby_vm_check_ints(th)
static inline void
diff --git a/vm_eval.c b/vm_eval.c
index f0274e1b9a..c08a849e59 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -1280,7 +1280,7 @@ eval_string_with_cref(VALUE self, VALUE src, VALUE scope, rb_cref_t *const cref_
{
int state;
VALUE result = Qundef;
- rb_thread_t *th = GET_THREAD();
+ rb_thread_t *volatile th = GET_THREAD();
struct rb_block block;
const struct rb_block *base_block;
volatile VALUE file;
@@ -1997,7 +1997,7 @@ rb_catch(const char *tag, VALUE (*func)(), VALUE data)
return rb_catch_obj(vtag, func, data);
}
-static VALUE vm_catch_protect(VALUE, rb_block_call_func *, VALUE, int *, rb_thread_t *);
+static VALUE vm_catch_protect(VALUE, rb_block_call_func *, VALUE, int *, rb_thread_t *volatile);
VALUE
rb_catch_obj(VALUE t, VALUE (*func)(), VALUE data)
@@ -2018,11 +2018,11 @@ rb_catch_protect(VALUE t, rb_block_call_func *func, VALUE data, int *stateptr)
static VALUE
vm_catch_protect(VALUE tag, rb_block_call_func *func, VALUE data,
- int *stateptr, rb_thread_t *th)
+ int *stateptr, rb_thread_t *volatile th)
{
int state;
VALUE val = Qnil; /* OK */
- rb_control_frame_t *saved_cfp = th->cfp;
+ rb_control_frame_t *volatile saved_cfp = th->cfp;
TH_PUSH_TAG(th);
diff --git a/vm_trace.c b/vm_trace.c
index aca6367b08..02bf54e968 100644
--- a/vm_trace.c
+++ b/vm_trace.c
@@ -389,7 +389,7 @@ rb_suppress_tracing(VALUE (*func)(VALUE), VALUE arg)
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;