kazu	2018-03-10 09:33:11 +0900 (Sat, 10 Mar 2018)

  New Revision: 62708

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=62708

  Log:
    Fix error: implicit conversion loses integer precision
    
    http://ci.rvm.jp/results/trunk_clang_50@silicon-docker/627906
    ```
    iseq.h:41:36: error: implicit conversion loses integer precision: 'rb_num_t' (aka 'unsigned long') to 'int' [-Werror,-Wshorten-64-to-32]
        int cnt = iseq->body->variable.flip_count;
            ~~~   ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
    ```

  Modified files:
    trunk/compile.c
    trunk/iseq.h
    trunk/vm_core.h
Index: vm_core.h
===================================================================
--- vm_core.h	(revision 62707)
+++ vm_core.h	(revision 62708)
@@ -412,7 +412,7 @@ struct rb_iseq_constant_body { https://github.com/ruby/ruby/blob/trunk/vm_core.h#L412
     struct rb_call_cache *cc_entries; /* size is ci_size = ci_kw_size */
 
     struct {
-      rb_num_t flip_count;
+      rb_snum_t flip_count;
       VALUE coverage;
       VALUE original_iseq;
     } variable;
Index: iseq.h
===================================================================
--- iseq.h	(revision 62707)
+++ iseq.h	(revision 62708)
@@ -35,10 +35,10 @@ rb_call_info_kw_arg_bytes(int keyword_le https://github.com/ruby/ruby/blob/trunk/iseq.h#L35
 
 #define ISEQ_FLIP_CNT(iseq) (iseq)->body->variable.flip_count
 
-static inline int
+static inline rb_snum_t
 ISEQ_FLIP_CNT_INCREMENT(const rb_iseq_t *iseq)
 {
-    int cnt = iseq->body->variable.flip_count;
+    rb_snum_t cnt = iseq->body->variable.flip_count;
     iseq->body->variable.flip_count += 1;
     return cnt;
 }
Index: compile.c
===================================================================
--- compile.c	(revision 62707)
+++ compile.c	(revision 62708)
@@ -8751,7 +8751,7 @@ ibf_load_iseq_each(const struct ibf_load https://github.com/ruby/ruby/blob/trunk/compile.c#L8751
 
     ISEQ_COVERAGE_SET(iseq, Qnil);
     ISEQ_ORIGINAL_ISEQ_CLEAR(iseq);
-    iseq->body->variable.flip_count = (int)body->variable.flip_count;
+    iseq->body->variable.flip_count = body->variable.flip_count;
 
     {
 	VALUE realpath = Qnil, path = ibf_load_object(load, body->location.pathobj);

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