[Strings] Remove operations not included in imported strings (#6589)

The stringref proposal has been superseded by the imported JS strings proposal,
but the former has many more operations than the latter. To reduce complexity,
remove all operations that are part of stringref but not part of imported
strings.

1 files changed, 4 insertions, 5 deletions

diff --git a/src/wasm/wasm.cpp b/src/wasm/wasm.cpp
index 22ea4d86f..a4b9da21b 100644
--- a/src/wasm/wasm.cpp
+++ b/src/wasm/wasm.cpp
@@ -1244,13 +1244,12 @@ void RefAs::finalize() {
 }
 
 void StringNew::finalize() {
-  if (ptr->type == Type::unreachable ||
-      (length && length->type == Type::unreachable) ||
+  if (ref->type == Type::unreachable ||
       (start && start->type == Type::unreachable) ||
       (end && end->type == Type::unreachable)) {
     type = Type::unreachable;
   } else {
-    type = Type(HeapType::string, try_ ? Nullable : NonNullable);
+    type = Type(HeapType::string, NonNullable);
   }
 }
 
@@ -1265,8 +1264,8 @@ void StringMeasure::finalize() {
 }
 
 void StringEncode::finalize() {
-  if (ref->type == Type::unreachable || ptr->type == Type::unreachable ||
-      (start && start->type == Type::unreachable)) {
+  if (str->type == Type::unreachable || array->type == Type::unreachable ||
+      start->type == Type::unreachable) {
     type = Type::unreachable;
   } else {
     type = Type::i32;