[Bug 208661] __cxa_demangle incorrectly demangles wchar_t

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=208661

            Bug ID: 208661
           Summary: __cxa_demangle incorrectly demangles wchar_t
           Product: Base System
           Version: 10.3-BETA2
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: bin
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: dwmcrobb at me.com

We wind up with 'wchar_' due to an incorrect string length in
libelftc_dem_gnu3.c.
This is an upstream bug.

Patch:

Index: libelftc_dem_gnu3.c
===================================================================
--- libelftc_dem_gnu3.c (revision 296556)
+++ libelftc_dem_gnu3.c (working copy)
@@ -2842,7 +2842,7 @@

        case 'w':
                /* wchar_t */
-               if (!cpp_demangle_push_str(ddata, "wchar_t", 6))
+               if (!cpp_demangle_push_str(ddata, "wchar_t", 7))
                        goto clean;
                ++ddata->cur;
                goto rtn;

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