Some more indirect tests

src/compiler.bbb

@@ -2036,6 +2036,11 @@ value_is_constant = fn (value: &Value) u1
         {
             return 0;
         },
+        .aggregate_initialization =>
+        {
+            assert(value.type != zero);
+            return value.content.aggregate_initialization.is_constant;
+        },
         else =>
         {
             #trap();
@@ -11053,6 +11058,23 @@ emit_string_literal = fn (module: &Module, value: &Value) [2]&LLVMValue
 
 emit_assignment = fn (module: &Module, left_llvm: &LLVMValue, left_type: &Type, right: &Value) void
 {
+    >parent_function_global: &Global = undefined;
+    if (module.current_function)
+    {
+        parent_function_global = module.current_function;
+    }
+    else if (module.current_macro_instantiation)
+    {
+        #trap();
+    }
+    else
+    {
+        report_error();
+    }
+
+    >llvm_function = parent_function_global.variable.storage.llvm;
+    assert(llvm_function != zero);
+
     assert(right.llvm == zero);
 
     >pointer_type = left_type;
@@ -11180,7 +11202,8 @@ emit_assignment = fn (module: &Module, left_llvm: &LLVMValue, left_type: &Type,
                 },
                 else =>
                 {
-                    #trap();
+                    >result = emit_va_arg(module, right, left_llvm, left_type, llvm_function);
+                    assert(result == left_llvm);
                 },
             }
         },
@@ -12510,7 +12533,7 @@ emit = fn (module: &Module) void
                 }
                 else
                 {
-                    #trap();
+                    emit_block(module, return_block);
                 }
             }
             else
@@ -12959,6 +12982,8 @@ names: [_][]u8 =
     "if_no_else",
     "if_no_else_void",
     "indirect",
+    "indirect_struct",
+    "indirect_varargs",
 ];
 
 [export] main = fn [cc(c)] (argument_count: u32, argv: &&u8, envp: &&u8) s32