[compiler-rt] [rtsan] Add option to allow printing of duplicate stacks (PR #117069)

[Chris Apple via llvm-commits]

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@@ -19,3 +19,6 @@
 RTSAN_FLAG(bool, halt_on_error, true, "Exit after first reported error.")
 RTSAN_FLAG(bool, print_stats_on_exit, false, "Print stats on exit.")
 RTSAN_FLAG(const char *, suppressions, "", "Suppressions file name.")
+RTSAN_FLAG(bool, suppress_equal_stacks, true,
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cjappl wrote:

I do agree duplicate is clearer, but this would move away from matching tsan - do we care? 

https://github.com/llvm/llvm-project/pull/117069