re PR other/2719 (demangler crash)

2001-12-12  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        PR other/2719
        * cplus-dem.c (consume_count): Treat negative count as an error.
        * testsuite/demangle-expected: Added testcase.

From-SVN: r47952

libiberty/ChangeLog

+2001-12-12  Craig Rodrigues  <rodrigc@gcc.gnu.org>
+
+	PR other/2719
+	* cplus-dem.c (consume_count): Treat negative count as an error.
+	* testsuite/demangle-expected: Added testcase.
+
 Tue Dec 11 07:08:57 2001  Douglas B. Rupp  <rupp@gnat.com>
 
 	* configure.in: Hardcode that vfork works on VMS host.

libiberty/cplus-dem.c

@@ -574,6 +574,9 @@ consume_count (type)
       (*type)++;
     }
 
+  if (count < 0)
+    count = -1;
+
   return (count);
 }
 

libiberty/testsuite/demangle-expected

@@ -2586,3 +2586,7 @@ JArray.t(JArray[])
 --format=java
 _ZN4Prim1iEibcdfwPN4java4lang6StringEsx
 Prim.i(int, boolean, byte, double, float, char, java.lang.String, short, long)
+#
+--format=hp
+_Utf58_0_1__1_2147483647__2147483648
+_Utf58_0_1__1_2147483647__2147483648