* gc.c (add_heap_slots, init_heap): reset heaps_inc zero when

  heap slots are expanded by environment variable RUBY_HEAP_MIN_SLOTS.
  [ruby-core:39777] [Bug #5380]

* test/ruby/test_gc.rb (test_gc_parameter): add test for it.

* test/ruby/envutil.rb (assert_normal_exit): add :child_env option to
  enable pass environemnt variables to child process.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33368 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/gc.c b/gc.c
index fad49e01c1..1fce29ae6e 100644
--- a/gc.c
+++ b/gc.c
@@ -1090,6 +1090,7 @@ add_heap_slots(rb_objspace_t *objspace, size_t add)
     for (i = 0; i < add; i++) {
         assign_heap_slot(objspace);
     }
+    heaps_inc = 0;
 }
 
 static void
@@ -1106,7 +1107,6 @@ init_heap(rb_objspace_t *objspace)
     }
 #endif
 
-    heaps_inc = 0;
     objspace->profile.invoke_time = getrusage_time();
     finalizer_table = st_init_numtable();
 }