message: avoid pushing noLocation to execTrace
diff: @@ -138,7 +138,7 @@ export class FiberContext<E, A> implements Fiber.Runtime<E, A> {
  }
  addTraceValue(trace: TraceElement) {
  - if (this.inTracingRegion) {
  + if (this.inTracingRegion && trace._tag === "SourceLocation") {
  this.executionTraces!.push(trace)
  }
  }
  