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[patch] PR 11992 "Regression: C++ this scope sometimes does not work"
- From: sami wagiaalla <swagiaal at redhat dot com>
- To: gdb-patches at sourceware dot org
- Date: Fri, 10 Sep 2010 15:01:56 -0400
- Subject: [patch] PR 11992 "Regression: C++ this scope sometimes does not work"
This is a fix and a test case for the above mentioned bug.
The patch was regression testing on F13 on x8664 with gcc 4.4.4.
Sami
Fix PR 11992: C++ 'this' scope sometimes does not work
2010-09-10 Sami Wagiaalla <swagiaal@redhat.com>
PR symtab/11992:
* c-exp.y (classify_name): Check is_a_member_of_this before returning
UNKNOWN_CPP_NAME.
2010-09-10 Sami Wagiaalla <swagiaal@redhat.com>
* gdb.cp/koenig.cc: created class for testing member lookup.
* gdb.cp/koenig.exp: Added test for member lookup.
diff --git a/gdb/c-exp.y b/gdb/c-exp.y
index 663e778..57e09b3 100644
--- a/gdb/c-exp.y
+++ b/gdb/c-exp.y
@@ -2389,6 +2389,7 @@ classify_name (struct block *block)
if (sym == NULL
&& parse_language->la_language == language_cplus
+ && !is_a_field_of_this
&& !lookup_minimal_symbol (copy, NULL, NULL))
return UNKNOWN_CPP_NAME;
diff --git a/gdb/testsuite/gdb.cp/koenig.cc b/gdb/testsuite/gdb.cp/koenig.cc
index c91dbf9..d5e7bbe 100644
--- a/gdb/testsuite/gdb.cp/koenig.cc
+++ b/gdb/testsuite/gdb.cp/koenig.cc
@@ -226,6 +226,16 @@ namespace P {
//------------
+class R {
+ public:
+ int foo(){ return 31; }
+ int bar(){
+ return foo()+1; // marker1
+ }
+};
+
+//------------
+
int
main ()
{
@@ -299,6 +309,9 @@ main ()
++q;
+ R r;
+ r.bar();
+
return first (0, c) + foo (eo) +
foo (eo, eo) + foo (eo, eo, 1) +
foo (fo, eo) + foo (1 ,fo, eo) +
diff --git a/gdb/testsuite/gdb.cp/koenig.exp b/gdb/testsuite/gdb.cp/koenig.exp
index d5e6c3f..d291a6e 100644
--- a/gdb/testsuite/gdb.cp/koenig.exp
+++ b/gdb/testsuite/gdb.cp/koenig.exp
@@ -115,3 +115,14 @@ gdb_test "p q + 5" "= 29"
# some unary operators for good measure
# Cannot resolve function operator++ to any overloaded instance
gdb_test "p ++q" "= 30"
+
+# test that koening lookup does not effect
+# member variable lookup
+gdb_test "p r.foo()" "= 31"
+
+# Do the same from inside class R
+gdb_breakpoint [gdb_get_line_number "marker1"]
+gdb_continue_to_breakpoint "marker1"
+
+gdb_test "p foo()" "= 31"
+gdb_test "p this->foo()" "= 31"