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Document ASLR for Precompiled Headers.

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PR c++/92717
	* doc/invoke.texi: Document that one should
	not combine ASLR and -fpch.
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Martin Liska 2020-02-05 09:55:09 +01:00
parent 7db12d155d
commit f423958192
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gcc/ChangeLog

@ -1,3 +1,9 @@
2020-02-05 Martin Liska <mliska@suse.cz>
PR c++/92717
* doc/invoke.texi: Document that one should
not combine ASLR and -fpch.
2020-02-04 Richard Biener <rguenther@suse.de>
PR tree-optimization/93538

4
gcc/doc/invoke.texi

@ -31106,6 +31106,10 @@ precompiled header. The following are known to be safe:
-fsched-verbose=@var{number} -fschedule-insns -fvisibility= @gol
-pedantic-errors}
@item Address space layout randomization (ASLR) can lead to not binary identical
PCH files. If you rely on stable PCH file contents disable ASLR when generating
PCH files.
@end itemize
For all of these except the last, the compiler automatically