From d8e82ca581adc62de2d816cbe06c4ff87b1444a9 Mon Sep 17 00:00:00 2001
From: Tom Tromey <tromey@redhat.com>
Date: Fri, 8 Jul 2011 16:02:57 +0000
Subject: 	* dwarf2expr.c (execute_stack_op): Add QUIT.

---
 gdb/dwarf2expr.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'gdb/dwarf2expr.c')

diff --git a/gdb/dwarf2expr.c b/gdb/dwarf2expr.c
index c5ea85da802..4522eb8b0f4 100644
--- a/gdb/dwarf2expr.c
+++ b/gdb/dwarf2expr.c
@@ -521,6 +521,10 @@ execute_stack_op (struct dwarf_expr_context *ctx,
       LONGEST offset;
       struct value *result_val = NULL;
 
+      /* The DWARF expression might have a bug causing an infinite
+	 loop.  In that case, quitting is the only way out.  */
+      QUIT;
+
       switch (op)
 	{
 	case DW_OP_lit0:
-- 
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