Fix bad inline GDB pretty printer escaping.

include/status-code/status_code.hpp

@@ -717,17 +717,21 @@ SYSTEM_ERROR2_NAMESPACE_END
 
 #ifndef SYSTEM_ERROR2_DISABLE_INLINE_GDB_PRETTY_PRINTERS
 #if defined(__ELF__)
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Woverlength-strings"
+#endif
 __asm__(
 ".pushsection \".debug_gdb_scripts\", \"MS\",@progbits,1\n"
-".byte 4 /* Python Text */\n"
+".ascii \"\\4SYSTEM_ERROR2_INLINE_GDB_PRETTY_PRINTERS_H\\n\"\n"
 ".ascii \"gdb.inlined-script\\n\"\n"
 ".ascii \"import gdb.printing\\n\"\n"
 ".ascii \"import gdb\\n\"\n"
 ".ascii \"import os\\n\"\n"
 
 ".ascii \"def synthesise_gdb_value_from_string(s):\\n\"\n"
 ".ascii \"    '''For when you want to return a synthetic string from children()'''\\n\"\n"
-".ascii \"    return gdb.Value(s + '\\0').cast(gdb.lookup_type('char').pointer())\\n\"\n"
+".ascii \"    return gdb.Value(s + '\\\\0').cast(gdb.lookup_type('char').pointer())\\n\"\n"
 
 ".ascii \"class StatusCodePrinter(object):\\n\"\n"
 ".ascii \"    '''Print a system_error2::status_code<T>'''\\n\"\n"
@@ -761,9 +765,13 @@ __asm__(
 ".ascii \"    gdb.printing.register_pretty_printer(obj, build_pretty_printer(), replace = True)\\n\"\n"
 
 ".ascii \"register_printers(gdb.current_objfile())\\n\"\n"
+
 ".byte 0\n"
 ".popsection\n");
+#ifdef __clang__
+#pragma clang diagnostic pop
 #endif
-#endif
+#endif  // defined(__ELF__)
+#endif  // !defined(SYSTEM_ERROR2_DISABLE_INLINE_GDB_PRETTY_PRINTERS)
 
 #endif