* compile.c (iseq_set_exception_table): allocates catch_table only

  when entries exist.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@16095 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 5 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index 8661cba30..70aa279fb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,7 @@
-Sun Apr 20 14:58:57 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Sun Apr 20 15:00:48 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* compile.c (iseq_set_exception_table): allocates catch_table only
+	  when entries exist.
 
 	* compile.c (struct iseq_link_element, struct iseq_insn_data): made
 	  enum for debuggers.
diff --git a/compile.c b/compile.c
index 9571e9828..0853863fe 100644
--- a/compile.c
+++ b/compile.c
@@ -1290,7 +1290,7 @@ iseq_set_exception_table(rb_iseq_t *iseq)
     tlen = RARRAY_LEN(iseq->compile_data->catch_table_ary);
     tptr = RARRAY_PTR(iseq->compile_data->catch_table_ary);
 
-    iseq->catch_table = ALLOC_N(struct iseq_catch_table_entry, tlen);
+    iseq->catch_table = tlen ? ALLOC_N(struct iseq_catch_table_entry, tlen) : 0;
     iseq->catch_table_size = tlen;
 
     for (i = 0; i < tlen; i++) {