Re: [PATCH] Fix mi "-var-create" regression

[Luis Machado <lgustavo@codesourcery.com>]

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On 01/03/2013 01:46 AM, Joel Brobecker wrote:
>> This patch addresses the problem Andreas saw by creating a variable
>> of type (void *). This way we are guaranteed to have the type we
>> need to reproduce the problem.
>
> I don't see a problem with that. But can you add a comment explaining
> why you are casting the register to void *?

Yes, of course.

How does this comment look?

Luis

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diff --git a/ChangeLog b/ChangeLog
index a5a47ca..aa180a6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-01-03  Luis Machado  <lgustavo@codesourcery.com>
+
+	* gdb.mi/mi-var-create-rtti.exp: Create a variable of
+	type void *.
+
 2012-12-20  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
 
 	* Makefile.def (install-target-libgo): Depend on
diff --git a/gdb/testsuite/gdb.mi/mi-var-create-rtti.exp b/gdb/testsuite/gdb.mi/mi-var-create-rtti.exp
index da3cf1b..f991951 100644
--- a/gdb/testsuite/gdb.mi/mi-var-create-rtti.exp
+++ b/gdb/testsuite/gdb.mi/mi-var-create-rtti.exp
@@ -45,8 +45,10 @@ if ![mi_run_to_main] {
 # Enable "print object"
 mi_gdb_test "-gdb-set print object on" ".*"
 
-# Test creating a variable for $sp
-mi_gdb_test "-var-create sp1 * \$sp" \
+# Test creating a variable for $sp.
+# We use a explicit cast to (void *) as that is the
+# type that caused the bug this testcase is testing for.
+mi_gdb_test "-var-create sp1 * ((void*)\$sp)" \
 	    "\\^done,name=\"sp1\",numchild=\"0\",value=\"$hex\",type=\"void \\*\",has_more=\"0\"" \
 	    "-var-create sp1 * \$sp"
 gdb_exit