[PATCH] D78532: Add missing call to `__sanitizer::InitializePlatformEarly()` in UBSan's standalone init.

[Dan Liew via Phabricator via llvm-commits]

delcypher created this revision.
delcypher added reviewers: vitalybuka, vsk, kubamracek, yln, samsonov.
Herald added a project: Sanitizers.
Herald added a subscriber: Sanitizers.

While working on rdar://problem/62083617 I noticed this call was
missing.

This is a no-op for all platforms except Darwin. For Darwin this
means the `use_xnu_fast_mmap` flag is initialized as it was intended
when using UBSan in standalone mode.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D78532

Files:
  compiler-rt/lib/ubsan/ubsan_init.cpp


Index: compiler-rt/lib/ubsan/ubsan_init.cpp
===================================================================
--- compiler-rt/lib/ubsan/ubsan_init.cpp
+++ compiler-rt/lib/ubsan/ubsan_init.cpp
@@ -37,6 +37,7 @@
   SanitizerToolName = GetSanititizerToolName();
   CacheBinaryName();
   InitializeFlags();
+  __sanitizer::InitializePlatformEarly();
   __sanitizer_set_report_path(common_flags()->log_path);
   AndroidLogInit();
   InitializeCoverage(common_flags()->coverage, common_flags()->coverage_dir);


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