nobu	2018-12-08 01:48:21 +0900 (Sat, 08 Dec 2018)

  New Revision: 66277

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=66277

  Log:
    Fix memory leak when failed to build pch path

  Modified files:
    trunk/mjit.c
Index: mjit.c
===================================================================
--- mjit.c	(revision 66276)
+++ mjit.c	(revision 66277)
@@ -456,8 +456,11 @@ init_header_filename(void) https://github.com/ruby/ruby/blob/trunk/mjit.c#L456
     }
 
     pch_file = get_uniq_filename(0, MJIT_TMP_PREFIX "h", ".h.gch");
-    if (pch_file == NULL)
+    if (pch_file == NULL) {
+        xfree(header_file);
+        header_file = NULL;
         return FALSE;
+    }
 #else
     {
         static const char pch_name[] = MJIT_PRECOMPILED_HEADER_NAME;

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