Remove legacy WasmGC instructions (#5861)

Remove old, experimental instructions and type encodings that will not be
shipped as part of WasmGC. Updating the encodings and text format to match the
final spec is left as future work.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/ir/stack-utils.h b/src/ir/stack-utils.h
index aad13f7f0..82d1f5a3d 100644
--- a/src/ir/stack-utils.h
+++ b/src/ir/stack-utils.h
@@ -131,13 +131,13 @@ struct StackSignature {
   //
   // As an example of the first rule, consider this instruction sequence:
   //
-  //   ref.as_func
+  //   ref.cast (ref i31)
   //   drop
   //   i32.add
   //
   // The most specific type you could give this sequence is [i32, i32, anyref]
   // -> [i32]. But it could also be used in a context that expects [i32, i32,
-  // funcref] -> [i32] because ref.as_func can accept funcref or any other
+  // structref] -> [i32] because ref.cast can accept structref or any other
   // subtype of anyref. That's where the contravariance comes from. This
   // instruction sequence could also be used anywhere that expects [f32, i32,
   // i32, anyref] -> [f32, i32] because the f32 simply stays on the stack
@@ -145,7 +145,7 @@ struct StackSignature {
   //
   // For the second rule, consider this sequence:
   //
-  //   ref.as_func
+  //   ref.cast (ref i31)
   //   drop
   //   i32.add
   //   unreachable