[PATCH][DOCUMENTATION] Document ASLR for Precompiled Headers.

[Martin Liška]

Hi.

The patch is about enhancement of the documentation, where
we do not support ASLR for Precompiled Headers.

Ready for trunk?
Thanks,
Martin

gcc/ChangeLog:

2020-02-04  Martin Liska  <mli...@suse.cz>

        PR c++/92717
        * doc/invoke.texi: Document that one should
        not combine ASLR and -fpch.
---
 gcc/doc/invoke.texi | 2 ++
 1 file changed, 2 insertions(+)



diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 4dec0c8326b..eb4b786b405 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -31091,6 +31091,8 @@ for any cases where this rule is relaxed.
 @item Each of the following options must be the same when building and using
 the precompiled header:
 
+@item Address space layout randomization (ASLR) is disabled.
+
 @gccoptlist{-fexceptions}
 
 @item