[vala/0.38] codegen: Enforce name-length >= 3 for structs using GType

[Rico Tzschichholz <ricotz src gnome org>]

commit 55f78498544f87a351b5c4ece785ee9d6fc43631
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Sun Nov 19 15:29:55 2017 +0100

    codegen: Enforce name-length >= 3 for structs using GType
    
    https://bugzilla.gnome.org/show_bug.cgi?id=764041

 codegen/valaccodestructmodule.vala |    6 ++++++
 tests/Makefile.am                  |    1 +
 tests/structs/bug764041.test       |   10 ++++++++++
 3 files changed, 17 insertions(+), 0 deletions(-)
---
diff --git a/codegen/valaccodestructmodule.vala b/codegen/valaccodestructmodule.vala
index 9774570..6548948 100644
--- a/codegen/valaccodestructmodule.vala
+++ b/codegen/valaccodestructmodule.vala
@@ -158,6 +158,12 @@ public abstract class Vala.CCodeStructModule : CCodeBaseModule {
                push_context (new EmitContext (st));
                push_line (st.source_reference);
 
+               if (get_ccode_has_type_id (st) && get_ccode_name (st).length < 3) {
+                       st.error = true;
+                       Report.error (st.source_reference, "Name `%s' is too short for struct using 
GType".printf (get_ccode_name (st)));
+                       return;
+               }
+
                var old_instance_finalize_context = instance_finalize_context;
                instance_finalize_context = new EmitContext ();
 
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 80e1855..729cbc6 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -153,6 +153,7 @@ TESTS = \
        structs/bug690380.vala \
        structs/bug694140.vala \
        structs/bug749952.vala \
+       structs/bug764041.test \
        structs/bug775761.vala \
        structs/bug777194.vala \
        delegates/casting.vala \
diff --git a/tests/structs/bug764041.test b/tests/structs/bug764041.test
new file mode 100644
index 0000000..1911cda
--- /dev/null
+++ b/tests/structs/bug764041.test
@@ -0,0 +1,10 @@
+Invalid Code
+
+struct N {
+       public int i;
+}
+
+void main() {
+       N n = { 42 };
+       Value v = n;
+}