Document bootstrap-asan configure option

Document how to configure using asan (bootstrap-asan option to the
--with-build-config configure argument).

gcc/ChangeLog:

	* doc/install.texi: Document bootstrap-asan option.

diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index 297831fda551773d36e28409ca8726bbc6ecde3f..cbfe859310a04bc7757d4e3f8c316cb9105eec7f 100644 (file)
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -2798,6 +2798,10 @@ Arranges for the run time of each program started by the GCC driver,
 built in any stage, to be logged to @file{time.log}, in the top level of
 the build tree.
 
+@item @samp{bootstrap-asan}
+Compiles GCC itself using Address Sanitization in order to catch invalid memory
+accesses within the GCC code.
+
 @end table
 
 @section Building a cross compiler