Fix global maps and initialize the preload types before

code/demo.odin

@@ -9,7 +9,6 @@
 #import "utf8.odin";
 #import ht "http_test.odin";
 
-
 main :: proc() {
 	{
 		m: map[f32]int;
@@ -21,11 +20,18 @@ main :: proc() {
 		m[3.0] = 564;
 		c := m[3.0];
 		_, ok := m[3.0];
-		assert(ok && c == 564);
+		// assert(ok && c == 564);
 
+		fmt.print("map[");
+		i := 0;
 		for val, key in m {
-			fmt.printf("m[%f] == %v\n", key, val);
+			if i > 0 {
+				fmt.print(", ");
+			}
+			fmt.printf("%f=%v", key, val);
+			i += 1;
 		}
+		fmt.println("]");
 	}
 	{
 		m := map[string]u32{

src/check_expr.c

@@ -1132,6 +1132,12 @@ void check_map_type(Checker *c, Type *type, AstNode *node) {
 	gbAllocator a = c->allocator;
 
 	{
+		// NOTE(bill): The preload types may have not been set yet
+		if (t_map_key == NULL) {
+			init_preload(c);
+		}
+		GB_ASSERT(t_map_key != NULL);
+
 		Type *entry_type = make_type_struct(a);
 
 		/*

src/check_stmt.c

@@ -261,7 +261,6 @@ Type *check_assignment_variable(Checker *c, Operand *op_a, AstNode *lhs) {
 	case Addressing_Invalid:
 		return NULL;
 	case Addressing_Variable:
-		break;
 	case Addressing_MapIndex:
 		break;
 	default: {

src/ir.c

@@ -1395,7 +1395,7 @@ irValue *ir_emit_struct_ep(irProcedure *proc, irValue *s, i32 index);
 irValue *ir_emit_comp(irProcedure *proc, TokenKind op_kind, irValue *left, irValue *right);
 
 irValue *ir_gen_map_header(irProcedure *proc, irValue *map_val, Type *map_type) {
-	GB_ASSERT(is_type_pointer(ir_type(map_val)));
+	GB_ASSERT_MSG(is_type_pointer(ir_type(map_val)), "%s", type_to_string(ir_type(map_val)));
 	gbAllocator a = proc->module->allocator;
 	irValue *h = ir_add_local_generated(proc, t_map_header);
 
@@ -3027,7 +3027,7 @@ irValue *ir_build_single_expr(irProcedure *proc, AstNode *expr, TypeAndValue *tv
 
 
 	case_ast_node(cl, CompoundLit, expr);
-		return ir_emit_load(proc, ir_build_addr(proc, expr).addr);
+		return ir_addr_load(proc, ir_build_addr(proc, expr));
 	case_end;
 
 
@@ -3597,11 +3597,11 @@ irValue *ir_build_single_expr(irProcedure *proc, AstNode *expr, TypeAndValue *tv
 	case_end;
 
 	case_ast_node(de, DemaybeExpr, expr);
-		return ir_emit_load(proc, ir_build_addr(proc, expr).addr);
+		return ir_addr_load(proc, ir_build_addr(proc, expr));
 	case_end;
 
 	case_ast_node(se, SliceExpr, expr);
-		return ir_emit_load(proc, ir_build_addr(proc, expr).addr);
+		return ir_addr_load(proc, ir_build_addr(proc, expr));
 	case_end;
 
 	case_ast_node(ie, IndexExpr, expr);
@@ -3824,17 +3824,12 @@ irAddr ir_build_addr(irProcedure *proc, AstNode *expr) {
 		Type *t = base_type(type_of_expr(proc->module->info, ie->expr));
 		gbAllocator a = proc->module->allocator;
 
-
 		bool deref = is_type_pointer(t);
 		t = base_type(type_deref(t));
 
 		if (is_type_map(t)) {
 			irAddr map_addr = ir_build_addr(proc, ie->expr);
 			irValue *map_val = map_addr.addr;
-			if (deref) {
-				map_val = ir_addr_load(proc, map_addr);
-			}
-
 			irValue *key = ir_build_expr(proc, ie->index);
 			key = ir_emit_conv(proc, key, t->Map.key);
 

src/types.c

@@ -923,6 +923,14 @@ bool are_types_identical(Type *x, Type *y) {
 			       are_types_identical(x->Proc.results, y->Proc.results);
 		}
 		break;
+
+	case Type_Map:
+		if (y->kind == Type_Map) {
+			return x->Map.count == y->Map.count &&
+			       are_types_identical(x->Map.key,   y->Map.key) &&
+			       are_types_identical(x->Map.value, y->Map.value);
+		}
+		break;
 	}