[compiler-rt] [compiler-rt][nsan] Add support for nan detection (PR #101531)

[via llvm-commits]

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@@ -47,3 +47,5 @@ NSAN_FLAG(bool, enable_loadtracking_stats, false,
           "memory, the number of times nsan resumed from the original value "
           "due to invalid or unknown types.")
 NSAN_FLAG(bool, print_stats_on_exit, false, "If true, print stats on exit.")
+NSAN_FLAG(bool, check_nan, true,
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cseslowpoke wrote:

Sure, I will change this option.

https://github.com/llvm/llvm-project/pull/101531