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d1e495344b
ProfileEntry has |string|, which can be static or dynamic, and |dynamicString|. If |string| is dynamic, the FRAME_LABEL_COPY flag must be set, and it will be copied into profiler output. But there is only one place that uses dynamic |string| values, in SpiderMonkey. And that place doesn't use |dynamicString|. So this patch changes that place to use an empty |string| and put the old dynamic |string| value in |dynamicString|. This in turn removes the need for FRAME_LABEL_COPY. One minor wrinkle is that when |dynamicString| is used the old code put a space between |string| and |dynamicString|. The new code omits the space if |string| is empty. The patch also renames ProfileEntry::string as ProfileEntry::label_, which better matches how it's used, and ProfileEntry::dynamicString as ProfileEntry::dynamicString_ so the getter can be renamed dynamicString().