[wasm] Print hash of anonymous scripts in stack traces

So that it is possible to differentiate modules in the stack trace even
when they are anonymous.

R=kimanh@chromium.org

Bug: v8:11808
Change-Id: I12a1f07accdf62c404052f32624e9914381a7451
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3074472
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Reviewed-by: Kim-Anh Tran <kimanh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#76141}

src/objects/stack-frame-info.cc

@@ -718,12 +718,6 @@ void SerializeJSStackFrame(Isolate* isolate, Handle<StackFrameInfo> frame,
 }
 
 #if V8_ENABLE_WEBASSEMBLY
-bool IsAnonymousWasmScript(Isolate* isolate, Handle<Object> url) {
-  Handle<String> prefix =
-      isolate->factory()->NewStringFromStaticChars("wasm://wasm/");
-  return StringIndexOf(isolate, Handle<String>::cast(url), prefix) == 0;
-}
-
 void SerializeWasmStackFrame(Isolate* isolate, Handle<StackFrameInfo> frame,
                              IncrementalStringBuilder* builder) {
   Handle<Object> module_name = StackFrameInfo::GetWasmModuleName(frame);
@@ -743,7 +737,7 @@ void SerializeWasmStackFrame(Isolate* isolate, Handle<StackFrameInfo> frame,
   }
 
   Handle<Object> url(frame->GetScriptNameOrSourceURL(), isolate);
-  if (IsNonEmptyString(url) && !IsAnonymousWasmScript(isolate, url)) {
+  if (IsNonEmptyString(url)) {
     builder->AppendString(Handle<String>::cast(url));
   } else {
     builder->AppendCString("<anonymous>");

test/inspector/debugger/wasm-imports-expected.txt

@@ -12,8 +12,8 @@ Script wasm://wasm/8c388106 byte offset 33: Wasm opcode 0x01 (kExprNop)
 Getting current stack trace via "new Error().stack".
 Error
     at v8://test/getStack:1:1
-    at func (<anonymous>:wasm-function[0]:0x21)
-    at main (<anonymous>:wasm-function[1]:0x2f)
+    at func (wasm://wasm/8c388106:wasm-function[0]:0x21)
+    at main (wasm://wasm/24ba77a6:wasm-function[1]:0x2f)
     at v8://test/runWasm:1:22
 exports.main returned.
 Finished.

test/inspector/debugger/wasm-stack-expected.txt

@@ -12,8 +12,8 @@ Result of evaluate (string):
 Error: this is your stack trace:
     -- skipped --
     at call_debugger (<anonymous>:3:5)
-    at call_func (<anonymous>:wasm-function[1]:0x37)
-    at main (<anonymous>:wasm-function[2]:0x3e)
+    at call_func (wasm://wasm/37655946:wasm-function[1]:0x37)
+    at main (wasm://wasm/37655946:wasm-function[2]:0x3e)
     at testFunction (<anonymous>:15:20)
     at <anonymous>:1:1
 Finished!

test/message/fail/wasm-exception-rethrow.out

 wasm-function[0]:0x32: WebAssembly.Exception: wasm exception
 WebAssembly.Exception: wasm exception
-    at rethrow0 (<anonymous>:wasm-function[0]:0x32)
+    at rethrow0 (wasm://wasm/f019909a:wasm-function[0]:0x32)
     at *%(basename)s:21:18

test/message/fail/wasm-exception-throw.out

 wasm-function[0]:0x2e: WebAssembly.Exception: wasm exception
 WebAssembly.Exception: wasm exception
-    at throw0 (<anonymous>:wasm-function[0]:0x2e)
+    at throw0 (wasm://wasm/e4cabeba:wasm-function[0]:0x2e)
     at *%(basename)s:17:18

test/message/fail/wasm-function-name.out

 wasm-function[0]:0x22: RuntimeError: unreachable
 RuntimeError: unreachable
-    at main (<anonymous>:wasm-function[0]:0x22)
+    at main (wasm://wasm/d578b3d2:wasm-function[0]:0x22)
     at *%(basename)s:{NUMBER}:31

test/message/fail/wasm-module-and-function-name.out

 wasm-function[0]:0x22: RuntimeError: unreachable
 RuntimeError: unreachable
-    at test-module.main (<anonymous>:wasm-function[0]:0x22)
+    at test-module.main (wasm://wasm/test-module-712dabfa:wasm-function[0]:0x22)
     at *%(basename)s:{NUMBER}:31

test/message/fail/wasm-module-name.out

 wasm-function[0]:0x22: RuntimeError: unreachable
 RuntimeError: unreachable
-    at test-module.main (<anonymous>:wasm-function[0]:0x22)
+    at test-module.main (wasm://wasm/test-module-712dabfa:wasm-function[0]:0x22)
     at *%(basename)s:{NUMBER}:31

test/message/fail/wasm-no-name.out

 wasm-function[0]:0x22: RuntimeError: unreachable
 RuntimeError: unreachable
-    at <anonymous>:wasm-function[0]:0x22
+    at wasm://wasm/44ee3bce:wasm-function[0]:0x22
     at *%(basename)s:{NUMBER}:31

test/message/fail/wasm-trap.out

 wasm-function[1]:0x30: RuntimeError: divide by zero
 RuntimeError: divide by zero
-    at main (<anonymous>:wasm-function[1]:0x30)
+    at main (wasm://wasm/7b123b7e:wasm-function[1]:0x30)
     at *%(basename)s:{NUMBER}:16

test/message/wasm-function-name-async.out

 RuntimeError: unreachable
-    at main (<anonymous>:wasm-function[0]:0x22)
+    at main (wasm://wasm/d578b3d2:wasm-function[0]:0x22)
     at *%(basename)s:{NUMBER}:27
     at test/mjsunit/mjsunit.js:*

test/message/wasm-function-name-streaming.out

 RuntimeError: unreachable
-    at main (<anonymous>:wasm-function[0]:0x22)
+    at main (wasm://wasm/d578b3d2:wasm-function[0]:0x22)
     at test/message/wasm-function-name-async.js:{NUMBER}:27
     at test/mjsunit/mjsunit.js:*

test/message/wasm-module-and-function-name-async.out

 RuntimeError: unreachable
-    at test-module.main (<anonymous>:wasm-function[0]:0x22)
+    at test-module.main (wasm://wasm/test-module-712dabfa:wasm-function[0]:0x22)
     at *%(basename)s:{NUMBER}:27
     at test/mjsunit/mjsunit.js:*

test/message/wasm-module-and-function-name-streaming.out

 RuntimeError: unreachable
-    at test-module.main (<anonymous>:wasm-function[0]:0x22)
+    at test-module.main (wasm://wasm/test-module-712dabfa:wasm-function[0]:0x22)
     at test/message/wasm-module-and-function-name-async.js:{NUMBER}:27
     at test/mjsunit/mjsunit.js:*

test/message/wasm-module-name-async.out

 RuntimeError: unreachable
-    at test-module.main (<anonymous>:wasm-function[0]:0x22)
+    at test-module.main (wasm://wasm/test-module-712dabfa:wasm-function[0]:0x22)
     at *%(basename)s:{NUMBER}:27
     at test/mjsunit/mjsunit.js:*

test/message/wasm-module-name-streaming.out

 RuntimeError: unreachable
-    at test-module.main (<anonymous>:wasm-function[0]:0x22)
+    at test-module.main (wasm://wasm/test-module-712dabfa:wasm-function[0]:0x22)
     at test/message/wasm-module-name-async.js:{NUMBER}:27
     at test/mjsunit/mjsunit.js:*

test/message/wasm-no-name-async.out

 RuntimeError: unreachable
-    at <anonymous>:wasm-function[0]:0x22
+    at wasm://wasm/44ee3bce:wasm-function[0]:0x22
     at *%(basename)s:{NUMBER}:27
     at test/mjsunit/mjsunit.js:*

test/message/wasm-no-name-streaming.out

 RuntimeError: unreachable
-    at <anonymous>:wasm-function[0]:0x22
+    at wasm://wasm/44ee3bce:wasm-function[0]:0x22
     at test/message/wasm-no-name-async.js:{NUMBER}:27
     at test/mjsunit/mjsunit.js:*

test/mjsunit/wasm/stack.js

@@ -23,7 +23,7 @@ function verifyStack(frames, expected) {
     assertContains(exp[4], frames[i].getFileName(), "["+i+"].getFileName()");
     var toString;
     if (exp[0]) {
-      toString = "<anonymous>:wasm-function[" + exp[6] + "]:" + exp[5];
+      toString = exp[4] + ":wasm-function[" + exp[6] + "]:" + exp[5];
       if (exp[1] !== null) toString = exp[1] + " (" + toString + ")";
     } else {
       toString = exp[4] + ":" + exp[2] + ":";
@@ -68,10 +68,10 @@ var module = builder.instantiate({mod: {func: STACK}});
 (function testSimpleStack() {
   var expected_string = 'Error\n' +
       // The line numbers below will change as this test gains / loses lines..
-      '    at STACK (stack.js:38:11)\n' +                   // --
-      '    at main (<anonymous>:wasm-function[1]:0x72)\n' + // --
-      '    at testSimpleStack (stack.js:76:18)\n' +         // --
-      '    at stack.js:78:3';                               // --
+      '    at STACK (stack.js:38:11)\n' +                            // --
+      '    at main (wasm://wasm/862e1cf6:wasm-function[1]:0x72)\n' + // --
+      '    at testSimpleStack (stack.js:76:18)\n' +                  // --
+      '    at stack.js:78:3';                                        // --
 
   module.exports.main();
   assertEquals(expected_string, stripPath(stack));