src: enable detailed source positions in V8

hashseed · rvagg · commit aa220cf9d738 · 2018-11-28T11:25:32.000+11:00
PR-URL: #24515 Refs: #24274 Refs: #24394 Refs: #24393 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Peter Marshall <petermarshall@chromium.org> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Refael Ackermann <refack@gmail.com>
diff --git a/src/node.cc b/src/node.cc
@@ -2613,6 +2613,7 @@ Isolate* NewIsolate(ArrayBufferAllocator* allocator, uv_loop_t* event_loop) {
   isolate->SetMicrotasksPolicy(MicrotasksPolicy::kExplicit);
   isolate->SetFatalErrorHandler(OnFatalError);
   isolate->SetAllowWasmCodeGenerationCallback(AllowWasmCodeGenerationCallback);
+  v8::CpuProfiler::UseDetailedSourcePositionsForProfiling(isolate);
 
   return isolate;
 }

Original file line number	Diff line number	Diff line change
`@@ -2613,6 +2613,7 @@ Isolate* NewIsolate(ArrayBufferAllocator* allocator, uv_loop_t* event_loop) {`
`2613`	`2613`	`isolate->SetMicrotasksPolicy(MicrotasksPolicy::kExplicit);`
`2614`	`2614`	`isolate->SetFatalErrorHandler(OnFatalError);`
`2615`	`2615`	`isolate->SetAllowWasmCodeGenerationCallback(AllowWasmCodeGenerationCallback);`
	`2616`	`+ v8::CpuProfiler::UseDetailedSourcePositionsForProfiling(isolate);`
`2616`	`2617`
`2617`	`2618`	`return isolate;`
`2618`	`2619`	`}`