Merge branch 'main' into unsubtyping-optimize-descs

Author: tlively

scripts/fuzz_opt.py

@@ -1536,7 +1536,7 @@ def can_run_on_wasm(self, wasm):
 # files, which adds coverage for ClusterFuzz (which sometimes runs two wasm
 # files in that way).
 class Split(TestCaseHandler):
-    frequency = 1  # TODO: adjust lower when we actually enable this
+    frequency = 0.1
 
     def handle(self, wasm):
         # get the list of function names, some of which we will decide to split
@@ -2121,8 +2121,7 @@ def handle(self, wasm):
     TrapsNeverHappen(),
     CtorEval(),
     Merge(),
-    # TODO: enable when stable enough, and adjust |frequency| (see above)
-    # Split(),
+    Split(),
     RoundtripText(),
     ClusterFuzz(),
     Two(),

test/lit/passes/unsubtyping-desc.wast

@@ -58,7 +58,7 @@
 
   ;; CHECK:       (type $2 (func (param (ref null (exact $A.desc)))))
 
-  ;; CHECK:      (func $nullable-descs (type $2) (param $A.desc (ref null (exact $A.desc)))
+  ;; CHECK:      (func $nullable-desc (type $2) (param $A.desc (ref null (exact $A.desc)))
   ;; CHECK-NEXT:  (local $1 (ref (exact $A.desc)))
   ;; CHECK-NEXT:  (drop
   ;; CHECK-NEXT:   (block (result (ref (exact $A)))
@@ -91,7 +91,7 @@
   )
   ;; CHECK:       (type $2 (func (param (ref (exact $A.desc)))))
 
-  ;; CHECK:      (func $nullable-descs (type $2) (param $A.desc (ref (exact $A.desc)))
+  ;; CHECK:      (func $nonnullable-desc (type $2) (param $A.desc (ref (exact $A.desc)))
   ;; CHECK-NEXT:  (drop
   ;; CHECK-NEXT:   (block (result (ref (exact $A)))
   ;; CHECK-NEXT:    (struct.new_default $A)