Fix segfault with 'set print object on' + 'whatis <struct>' & co

[deliverable/binutils-gdb.git] / gdb / typeprint.c

diff --git a/gdb/typeprint.c b/gdb/typeprint.c
index 9a125076a1bd9b17c3a385a7c66a524f871903ab..c098a3f4261f64e15c45a36e9a639481abddd1dd 100644 (file)
--- a/gdb/typeprint.c
+++ b/gdb/typeprint.c
@@ -489,6 +489,10 @@ whatis_exp (const char *exp, int show)
          check_typedef (type);
          if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF)
            type = TYPE_TARGET_TYPE (type);
+
+         /* If the expression is actually a type, then there's no
+            value to fetch the dynamic type from.  */
+         val = NULL;
        }
       else
        {
@@ -506,7 +510,7 @@ whatis_exp (const char *exp, int show)
     }
 
   get_user_print_options (&opts);
-  if (opts.objectprint)
+  if (val != NULL && opts.objectprint)
     {
       if (((TYPE_CODE (type) == TYPE_CODE_PTR) || TYPE_IS_REFERENCE (type))
          && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRUCT))