chh added inline comments.
================
Comment at: test/profile/Inputs/instrprof-dlopen-dlclose-main.c:20
+ void (*gcov_flush)() = (void (*)())dlsym(f1_handle, "__gcov_flush");
+ if (gcov_flush != NULL) {
+ fprintf(stderr, "__gcov_flush should not be visible in func.shared'\n");
----------------
srhines wrote:
> Should also clear dlerror() before this call and check that dlerror()
> returned a non-NULL pointer indicating that this search failed.
Look up of __gcov_flush is expected to fail because it's hidden.
Other places checks for returned value and report dlerror() messages.
https://reviews.llvm.org/D45454
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