Fix #536

src/ir.cpp

@@ -3931,7 +3931,7 @@ irValue *ir_addr_get_ptr(irProcedure *proc, irAddr const &addr) {
 }
 
 irValue *ir_build_addr_ptr(irProcedure *proc, Ast *expr) {
-	irAddr const &addr = ir_build_addr(proc, expr);
+	irAddr addr = ir_build_addr(proc, expr);
 	return ir_addr_get_ptr(proc, addr);
 }
 
@@ -6609,7 +6609,7 @@ irValue *ir_build_builtin_proc(irProcedure *proc, Ast *expr, TypeAndValue tv, Bu
 
 	case BuiltinProc_swizzle: {
 		ir_emit_comment(proc, str_lit("swizzle.begin"));
-		irAddr const &addr = ir_build_addr(proc, ce->args[0]);
+		irAddr addr = ir_build_addr(proc, ce->args[0]);
 		isize index_count = ce->args.count-1;
 		if (index_count == 0) {
 			return ir_addr_load(proc, addr);
@@ -7730,7 +7730,13 @@ bool ir_is_elem_const(irModule *m, Ast *elem, Type *elem_type) {
 
 irAddr ir_build_addr_from_entity(irProcedure *proc, Entity *e, Ast *expr) {
 	GB_ASSERT(e != nullptr);
-	GB_ASSERT(e->kind != Entity_Constant);
+	if (e->kind == Entity_Constant) {
+		Type *t = default_type(type_of_expr(expr));
+		irValue *v = ir_add_module_constant(proc->module, t, e->Constant.value);
+		irValue *g = ir_add_global_generated(proc->module, ir_type(v), v);
+		return ir_addr(g);
+	}
+
 
 	irValue *v = nullptr;
 	irValue **found = map_get(&proc->module->values, hash_entity(e));
@@ -7837,7 +7843,7 @@ irAddr ir_build_addr(irProcedure *proc, Ast *expr) {
 
 
 			if (sel.entity->type->kind == Type_BitFieldValue) {
-				irAddr const &addr = ir_build_addr(proc, se->expr);
+				irAddr addr = ir_build_addr(proc, se->expr);
 				Type *bft = type_deref(ir_addr_type(addr));
 				if (sel.index.count == 1) {
 					GB_ASSERT(is_type_bit_field(bft));
@@ -9921,7 +9927,7 @@ void ir_build_stmt_internal(irProcedure *proc, Ast *node) {
 			case Type_Map: {
 				is_map = true;
 				gbAllocator a = ir_allocator();
-				irAddr const &addr = ir_build_addr(proc, expr);
+				irAddr addr = ir_build_addr(proc, expr);
 				irValue *map = ir_addr_get_ptr(proc, addr);
 				if (is_type_pointer(type_deref(ir_addr_type(addr)))) {
 					map = ir_addr_load(proc, addr);