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Add clang volatile fixes from FreeBSD and NetBSD.

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Use volatile instead of optnone to avoid optimization which causes
segmentation faults.
Patch by Dimitry Andric.  [ruby-core:78531] [Bug #13014]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57020 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
shugo 2016-12-07 23:27:51 +00:00
parent e8914fb351
commit 472959f9c2
7 changed files with 15 additions and 19 deletions
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4
eval.c
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@ -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;