add global objects default ctor check and call; fix crash in cleaning…

… up certain global objects

VERSIONS

@@ -12,6 +12,11 @@ ChucK VERSIONS log
 - (fixed) error reporting for =^ =v --> --< operators
 - (fixed) all oscillators Osc( freq, phase ) constructors; previously the phase
     was not set correctly
+- (fixed) crash in cleaning up certain global objects (specifically those
+    with default constructors), including OscIn, and ChuGL classes
+    GGen, Geometry, FileTexture
+- (developer) added internal/audio-thread-callable setters for global 
+    int / float arrays
 
 
 1.5.2.1 (December 2023) ChuGL (alpha) => standard distribution

src/core/chuck_instr.cpp

@@ -4077,11 +4077,16 @@ void call_all_parent_pre_constructors( Chuck_VM * vm, Chuck_VM_Shred * shred,
     {
         call_all_parent_pre_constructors( vm, shred, type->parent, stack_offset );
     }
-    // now, call my ctor
+    // next, call my pre-ctor
     if( type->has_pre_ctor )
     {
         call_pre_constructor( vm, shred, type->info->pre_ctor, stack_offset );
     }
+    // next, call my default ctor | 1.5.2.2 (ge)
+    if( type->ctor_default && type->ctor_default->code )
+    {
+        call_pre_constructor( vm, shred, type->ctor_default->code, stack_offset );
+    }
 }