wasm: Initial behavior tests succeeding

- Correctly load slice value on stack
- Implement WrapErrorUnionErr and payload
- Implement trunc, fix sliceLen and write undefined
- Implement slice as return type and argument

Note: This also fixes a memory leak for inferred error sets, and for usingnamespace

1 files changed, 8 insertions, 4 deletions

diff --git a/src/Module.zig b/src/Module.zig
index 7ef9a02e09..7fa91486d3 100644
--- a/src/Module.zig
+++ b/src/Module.zig
@@ -1226,19 +1226,20 @@ pub const Fn = struct {
     };
 
     pub fn deinit(func: *Fn, gpa: Allocator) void {
-        if (func.getInferredErrorSet()) |map| {
-            map.deinit(gpa);
+        if (func.getInferredErrorSet()) |error_set_data| {
+            error_set_data.map.deinit(gpa);
+            error_set_data.functions.deinit(gpa);
         }
     }
 
-    pub fn getInferredErrorSet(func: *Fn) ?*std.StringHashMapUnmanaged(void) {
+    pub fn getInferredErrorSet(func: *Fn) ?*Type.Payload.ErrorSetInferred.Data {
         const ret_ty = func.owner_decl.ty.fnReturnType();
         if (ret_ty.tag() == .generic_poison) {
             return null;
         }
         if (ret_ty.zigTypeTag() == .ErrorUnion) {
             if (ret_ty.errorUnionSet().castTag(.error_set_inferred)) |payload| {
-                return &payload.data.map;
+                return &payload.data;
             }
         }
         return null;
@@ -1301,6 +1302,7 @@ pub const Namespace = struct {
             key.destroy(mod);
         }
         anon_decls.deinit(gpa);
+        ns.usingnamespace_set.deinit(gpa);
     }
 
     pub fn deleteAllDecls(
@@ -1332,6 +1334,8 @@ pub const Namespace = struct {
             child_decl.destroy(mod);
         }
         anon_decls.deinit(gpa);
+
+        ns.usingnamespace_set.deinit(gpa);
     }
 
     // This renders e.g. "std.fs.Dir.OpenOptions"