2008-05-13  Paul Pluzhnikov  <ppluzhnikov@google.com>

	* linespec.c (decode_line_1): Don't try to interpret
	single-quoted text as linespec.

Index: linespec.c
===================================================================
RCS file: /cvs/src/src/gdb/linespec.c,v
retrieving revision 1.77
diff -u -p -u -6 -r1.77 linespec.c
--- linespec.c	3 May 2008 00:37:34 -0000	1.77
+++ linespec.c	14 May 2008 00:47:41 -0000
@@ -721,22 +721,31 @@ decode_line_1 (char **argptr, int funfir
      checking, where we allow things like:
         (gdb) break c::f(int)
   */
 
   set_flags (*argptr, &is_quoted, &paren_pointer);
 
-  /* Check to see if it's a multipart linespec (with colons or
-     periods).  */
+  if ((*argptr)[0] == '\'')
+    {
+      /* Don't try to interpret anything in single quotes.  */
+      p = "";
+      is_quote_enclosed = 0;
+    }
+  else
+    {
+      /* Check to see if it's a multipart linespec (with colons or
+         periods).  */
 
-  /* Locate the end of the first half of the linespec.
-     After the call, for instance, if the argptr string is "foo.c:123"
-     p will point at "123".  If there is only one part, like "foo", p
-     will point to "". If this is a C++ name, like "A::B::foo", p will
-     point to "::B::foo". Argptr is not changed by this call.  */
+      /* Locate the end of the first half of the linespec.
+         After the call, for instance, if the argptr string is "foo.c:123"
+         p will point at "123".  If there is only one part, like "foo", p
+         will point to "". If this is a C++ name, like "A::B::foo", p will
+         point to "::B::foo". Argptr is not changed by this call.  */
 
-  p = locate_first_half (argptr, &is_quote_enclosed);
+      p = locate_first_half (argptr, &is_quote_enclosed);
+    }
 
   /* Check if this is an Objective-C method (anything that starts with
      a '+' or '-' and a '[').  */
   if (is_objc_method_format (p))
     {
       is_objc_method = 1;