[docs] Recommend assertions when testing.

Pointed out by Shoaib Meenai.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@353008 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/TestingGuide.rst b/docs/TestingGuide.rst
index 9908d57590323f019ab053689e65930fdd76a1b1..949fecf4ccfcff5a12d276d5aa6ba8dfc43be701 100644 (file)
--- a/docs/TestingGuide.rst
+++ b/docs/TestingGuide.rst
@@ -127,7 +127,7 @@ in release mode, i.e.
 
 .. code-block:: bash
 
-    % cmake -DCMAKE_BUILD_TYPE="Release"
+    % cmake -DCMAKE_BUILD_TYPE="Release" -DLLVM_ENABLE_ASSERTIONS=On
 
 If you have `Clang <http://clang.llvm.org/>`_ checked out and built, you
 can run the LLVM and Clang tests simultaneously using: