[turbofan] Improve broker's "miss" tracing output

Print the file name instead of the function name, as the
function name can be ambiguous.

Bug: v8:7790
Change-Id: I079eb0e5a0012aff1d241618d132ecd2d3d93c8f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1781043Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63498}

src/compiler/js-heap-broker.h

@@ -34,11 +34,11 @@ std::ostream& operator<<(std::ostream& os, const ObjectRef& ref);
       broker->Trace() << x << '\n';                                  \
   } while (false)
 
-#define TRACE_BROKER_MISSING(broker, x)                        \
-  do {                                                         \
-    if (broker->tracing_enabled())                             \
-      broker->Trace() << __FUNCTION__ << " (line " << __LINE__ \
-                      << "): missing " << x << std::endl;      \
+#define TRACE_BROKER_MISSING(broker, x)                             \
+  do {                                                              \
+    if (broker->tracing_enabled())                                  \
+      broker->Trace() << "Missing " << x << " (" << __FILE__ << ":" \
+                      << __LINE__ << ")" << std::endl;              \
   } while (false)
 
 struct PropertyAccessTarget {