gc.c (objspace_xcalloc): fix GC accounting

This hopefully works on all platforms with malloc_usable_size.
This may also trigger bugs in places which did not expect GC, too;
so maybe some existing code will need RB_GC_GUARD.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45347 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/gc.c b/gc.c
index 3b373bef07..95e13c692c 100644
--- a/gc.c
+++ b/gc.c
@@ -6231,6 +6231,8 @@ objspace_xcalloc(rb_objspace_t *objspace, size_t count, size_t elsize)
     size = objspace_malloc_prepare(objspace, size);
 
     TRY_WITH_GC(mem = calloc(1, size));
+    size = objspace_malloc_size(objspace, mem, size);
+    objspace_malloc_increase(objspace, mem, size, 0, MEMOP_TYPE_MALLOC);
     return objspace_malloc_fixup(objspace, mem, size);
 }