[vala] Resolve symbols in named arguments

[Luca Bruno <lucabru src gnome org>]

commit 962c2ece5915345fd6d9ac9f97919373e204fba7
Author: Luca Bruno <lucabru src gnome org>
Date:   Tue Sep 9 20:31:10 2014 +0200

    Resolve symbols in named arguments
    
    Fixes bug 736235

 .gitignore                   |    2 ++
 tests/Makefile.am            |    1 +
 tests/methods/bug736235.vala |   10 ++++++++++
 vala/valasymbolresolver.vala |    4 ++++
 4 files changed, 17 insertions(+), 0 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 9373d21..f0a2290 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,5 @@ lcov.info
 
 build-aux/test-driver
 
+tests/_test
+
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 07c9877..85ca6b3 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -62,6 +62,7 @@ TESTS = \
        methods/bug723009.vala \
        methods/bug723195.vala \
        methods/bug726347.vala \
+       methods/bug736235.vala \
        methods/generics.vala \
        control-flow/break.vala \
        control-flow/expressions-conditional.vala \
diff --git a/tests/methods/bug736235.vala b/tests/methods/bug736235.vala
new file mode 100644
index 0000000..bdbeb9b
--- /dev/null
+++ b/tests/methods/bug736235.vala
@@ -0,0 +1,10 @@
+public class Foo : GLib.Object {
+  public string? bar { get; construct; }
+
+  public Foo () {
+    GLib.Object (bar: (string?) null);
+  }
+}
+
+void main () {
+}
\ No newline at end of file
diff --git a/vala/valasymbolresolver.vala b/vala/valasymbolresolver.vala
index 94858e3..32c84e4 100644
--- a/vala/valasymbolresolver.vala
+++ b/vala/valasymbolresolver.vala
@@ -511,6 +511,10 @@ public class Vala.SymbolResolver : CodeVisitor {
                expr.accept_children (this);
        }
 
+       public override void visit_named_argument (NamedArgument expr) {
+               expr.accept_children (this);
+       }
+
        public override void visit_addressof_expression (AddressofExpression expr) {
                expr.accept_children (this);
        }