[compiler-rt] [ASan][Windows] Honor asan config flags on windows when set through the user function (PR #122990)

[David Justo via llvm-commits]

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@@ -460,6 +492,13 @@ static bool AsanInitInternal() {
   allocator_options.SetFrom(flags(), common_flags());
   InitializeAllocator(allocator_options);
 
+  // Apply ASan flags.
+  // NOTE: In order for options specified through `__asan_default_options` to be
+  // honored on Windows, it is necessary for those options to be configured
+  // inside the `ApplyOptions` method. See the function-level comment for
+  // `ApplyFlags` for more details.
+  ApplyFlags();
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davidmrdavid wrote:

I scoped out the change to `__sanitizer_set_report_path` here -> https://github.com/llvm/llvm-project/pull/122990/commits/a449ffa5a0b9505c21265034a0224f46e1a64943

@vitalybuka please let me know if that seems safer to you. Thanks!

https://github.com/llvm/llvm-project/pull/122990