From: Nobuyoshi Nakada <nobu@...>
Date: 2007-05-25T22:23:09+09:00
Subject: Re: [1.9/trunk] Bus error / abort trop with latest sources

Hi,

At Fri, 25 May 2007 21:43:54 +0900,
Ollivier Robert wrote in [ruby-talk:252956]:
> It fails during compilation with the following message:
> 
> ...
> gcc -O -pipe -pipe -fno-common  -L.    main.o  libruby-static.a
> -lpthread -ldl -lobjc   -o miniruby
> : -- stack frame ------------
> 0000 (0x126000): 00000000 <- lfp <- dfp
> -- control frame ----------
> c:0001 p:---- s:0001 b:-001 l:000000 d:000000 ------
> ---------------------------
> [BUG] Bus Error
> ruby 1.9.0 (2007-05-25) [powerpc-darwin8.9.0]

What command failed?

> Running miniruby and pressing ^D leads to the same message. miniruby -v,
> same.

It's a known bug.


Index: compile.c
===================================================================
--- compile.c	(revision 12384)
+++ compile.c	(working copy)
@@ -145,5 +145,8 @@ rb_iseq_compile(VALUE self, NODE *node)
     GetISeqPtr(self, iseq);
 
-    if (nd_type(node) == NODE_SCOPE) {
+    if (node == 0) {
+	COMPILE(ret, "nil", node);
+    }
+    else if (nd_type(node) == NODE_SCOPE) {
 	/* iseq type of top, method, class, block */
 	set_local_table(iseq, node->nd_tbl);
@@ -198,7 +201,4 @@ rb_iseq_compile(VALUE self, NODE *node)
 	    COMPILE(ret, "defined guard", node);
 	}
-	else if (node == 0) {
-	    COMPILE(ret, "nil", node);
-	}
 	else {
 	    rb_bug("unknown scope");


-- 
Nobu Nakada