2012-12-06 Pedro Alves <palves@redhat.com>

	    Tom Tromey  <tromey@redhat.com>
	* valops.c (value_cast): Move TYPE_CODE_VOID case earlier.
testsuite
	* gdb.base/exprs.exp: Add tests for cast to void.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 4f89004..7f9ca8f 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2012-12-06  Pedro Alves  <palves@redhat.com>
+           Tom Tromey  <tromey@redhat.com>
+
+       * valops.c (value_cast): Move TYPE_CODE_VOID case earlier.
+
 2012-12-06  Jens Elmenthaler <jens.elmenthaler@advantest.com>
 
        PR mi/14741:

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index f05cd87..335ecff 100644 (file)
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2012-12-06  Pedro Alves  <palves@redhat.com>
+           Tom Tromey  <tromey@redhat.com>
+
+       * gdb.base/exprs.exp: Add tests for cast to void.
+
 2012-12-06  Jens Elmenthaler <jens.elmenthaler@advantest.com>
 
        * gdb.python/py-mi.exp: Correct expected results for attribute

diff --git a/gdb/testsuite/gdb.base/exprs.exp b/gdb/testsuite/gdb.base/exprs.exp
index c6a07fa..f3de09e 100644 (file)
--- a/gdb/testsuite/gdb.base/exprs.exp
+++ b/gdb/testsuite/gdb.base/exprs.exp
@@ -270,3 +270,7 @@ gdb_test {print v_int_array_init[1]@1} { = \{20\}}
 # gdb's {} extension
 gdb_test_no_output "set variable v_short_array\[0\] = 42"
 gdb_test "print {short} v_short_array" "$decimal = 42"
+
+# Regression tests for cast to void.
+gdb_test "print (void) v_int_pointer" " = void"
+gdb_test "print & (void) v_char" "value not located in memory."

diff --git a/gdb/valops.c b/gdb/valops.c
index 1dd2579..372f118 100644 (file)
--- a/gdb/valops.c
+++ b/gdb/valops.c
@@ -569,6 +569,10 @@ value_cast (struct type *type, struct value *arg2)
        }
       return val;
     }
+  else if (code1 == TYPE_CODE_VOID)
+    {
+      return value_zero (type, not_lval);
+    }
   else if (TYPE_LENGTH (type) == TYPE_LENGTH (type2))
     {
       if (code1 == TYPE_CODE_PTR && code2 == TYPE_CODE_PTR)
@@ -582,10 +586,6 @@ value_cast (struct type *type, struct value *arg2)
     }
   else if (VALUE_LVAL (arg2) == lval_memory)
     return value_at_lazy (type, value_address (arg2));
-  else if (code1 == TYPE_CODE_VOID)
-    {
-      return value_zero (type, not_lval);
-    }
   else
     {
       error (_("Invalid cast."));