1 files changed, 33 insertions, 12 deletions

diff --git a/js/src/shell/js.cpp b/js/src/shell/js.cpp
index 3f56981cd..cc68c90d5 100644
--- a/js/src/shell/js.cpp
+++ b/js/src/shell/js.cpp
@@ -323,6 +323,7 @@ static bool enableNativeRegExp = false;
 static bool enableUnboxedArrays = false;
 static bool enableSharedMemory = SHARED_MEMORY_DEFAULT;
 static bool enableWasmAlwaysBaseline = false;
+static bool enableArrayProtoValues = true;
 static bool printTiming = false;
 static const char* jsCacheDir = nullptr;
 static const char* jsCacheAsmJSPath = nullptr;
@@ -2585,11 +2586,28 @@ Notes(JSContext* cx, unsigned argc, Value* vp)
     return true;
 }
 
-JS_STATIC_ASSERT(JSTRY_CATCH == 0);
-JS_STATIC_ASSERT(JSTRY_FINALLY == 1);
-JS_STATIC_ASSERT(JSTRY_FOR_IN == 2);
+static const char*
+TryNoteName(JSTryNoteKind kind)
+{
+    switch (kind) {
+      case JSTRY_CATCH:
+        return "catch";
+      case JSTRY_FINALLY:
+        return "finally";
+      case JSTRY_FOR_IN:
+        return "for-in";
+      case JSTRY_FOR_OF:
+        return "for-of";
+      case JSTRY_LOOP:
+        return "loop";
+      case JSTRY_FOR_OF_ITERCLOSE:
+        return "for-of-iterclose";
+      case JSTRY_DESTRUCTURING_ITERCLOSE:
+        return "dstr-iterclose";
+    }
 
-static const char* const TryNoteNames[] = { "catch", "finally", "for-in", "for-of", "loop" };
+    MOZ_CRASH("Bad JSTryNoteKind");
+}
 
 static MOZ_MUST_USE bool
 TryNotes(JSContext* cx, HandleScript script, Sprinter* sp)
@@ -2597,17 +2615,16 @@ TryNotes(JSContext* cx, HandleScript script, Sprinter* sp)
     if (!script->hasTrynotes())
         return true;
 
-    if (sp->put("\nException table:\nkind      stack    start      end\n") < 0)
+    if (sp->put("\nException table:\nkind               stack    start      end\n") < 0)
         return false;
 
     JSTryNote* tn = script->trynotes()->vector;
     JSTryNote* tnlimit = tn + script->trynotes()->length;
     do {
-        MOZ_ASSERT(tn->kind < ArrayLength(TryNoteNames));
-        uint8_t startOff = script->pcToOffset(script->main()) + tn->start;
-        if (!sp->jsprintf(" %-7s %6u %8u %8u\n",
-                          TryNoteNames[tn->kind], tn->stackDepth,
-                          startOff, startOff + tn->length))
+        uint32_t startOff = script->pcToOffset(script->main()) + tn->start;
+        if (!sp->jsprintf(" %-16s %6u %8u %8u\n",
+                          TryNoteName(static_cast<JSTryNoteKind>(tn->kind)),
+                          tn->stackDepth, startOff, startOff + tn->length))
         {
             return false;
         }
@@ -7248,6 +7265,7 @@ SetContextOptions(JSContext* cx, const OptionParser& op)
     enableNativeRegExp = !op.getBoolOption("no-native-regexp");
     enableUnboxedArrays = op.getBoolOption("unboxed-arrays");
     enableWasmAlwaysBaseline = op.getBoolOption("wasm-always-baseline");
+    enableArrayProtoValues = !op.getBoolOption("no-array-proto-values");
 
     JS::ContextOptionsRef(cx).setBaseline(enableBaseline)
                              .setIon(enableIon)
@@ -7255,7 +7273,8 @@ SetContextOptions(JSContext* cx, const OptionParser& op)
                              .setWasm(enableWasm)
                              .setWasmAlwaysBaseline(enableWasmAlwaysBaseline)
                              .setNativeRegExp(enableNativeRegExp)
-                             .setUnboxedArrays(enableUnboxedArrays);
+                             .setUnboxedArrays(enableUnboxedArrays)
+                             .setArrayProtoValues(enableArrayProtoValues);
 
     if (op.getBoolOption("wasm-check-bce"))
         jit::JitOptions.wasmAlwaysCheckBounds = true;
@@ -7526,7 +7545,8 @@ SetWorkerContextOptions(JSContext* cx)
                              .setWasm(enableWasm)
                              .setWasmAlwaysBaseline(enableWasmAlwaysBaseline)
                              .setNativeRegExp(enableNativeRegExp)
-                             .setUnboxedArrays(enableUnboxedArrays);
+                             .setUnboxedArrays(enableUnboxedArrays)
+                             .setArrayProtoValues(enableArrayProtoValues);
     cx->setOffthreadIonCompilationEnabled(offthreadCompilation);
     cx->profilingScripts = enableCodeCoverage || enableDisassemblyDumps;
 
@@ -7699,6 +7719,7 @@ main(int argc, char** argv, char** envp)
         || !op.addBoolOption('\0', "unboxed-arrays", "Allow creating unboxed arrays")
         || !op.addBoolOption('\0', "wasm-always-baseline", "Enable wasm baseline compiler when possible")
         || !op.addBoolOption('\0', "wasm-check-bce", "Always generate wasm bounds check, even redundant ones.")
+        || !op.addBoolOption('\0', "no-array-proto-values", "Remove Array.prototype.values")
 #ifdef ENABLE_SHARED_ARRAY_BUFFER
         || !op.addStringOption('\0', "shared-memory", "on/off",
                                "SharedArrayBuffer and Atomics "