[PATCH] D48189: [llvm] Document "%T" as deprecated in TestingGuide.rst

[Kuba (Brecka) Mracek via Phabricator via llvm-commits]

kubamracek updated this revision to Diff 151413.

https://reviews.llvm.org/D48189

Files:
  docs/TestingGuide.rst


Index: docs/TestingGuide.rst
===================================================================
--- docs/TestingGuide.rst
+++ docs/TestingGuide.rst
@@ -460,7 +460,10 @@
    Example: ``/home/user/llvm.build/test/MC/ELF/Output/foo_test.s.tmp``
 
 ``%T``
-   Directory of ``%t``.
+   Directory of ``%t``. Deprecated. Shouldn't be used, because it can be easily
+   misused and cause race conditions between tests.
+
+   Use ``rm -rf %t && mkdir %t`` instead if a temporary directory is necessary.
 
    Example: ``/home/user/llvm.build/test/MC/ELF/Output``
 


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