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| author | Martin Liska <mliska@suse.cz> | 2020-02-05 09:55:09 +0100 |
|---|---|---|
| committer | Martin Liska <mliska@suse.cz> | 2020-02-05 09:55:09 +0100 |
| commit | f4239581925d6a9fba049f8f771e909a7a5e5ce7 (patch) | |
| tree | b0d3c0a38d3cd9dfc279db6f167ebb9c24dbc2d2 /gcc | |
| parent | 7db12d155ddf4b5d7a5e783a97995f85e19e88dd (diff) | |
| download | gcc-f4239581925d6a9fba049f8f771e909a7a5e5ce7.zip gcc-f4239581925d6a9fba049f8f771e909a7a5e5ce7.tar.gz gcc-f4239581925d6a9fba049f8f771e909a7a5e5ce7.tar.bz2 | |
Document ASLR for Precompiled Headers.
PR c++/92717
* doc/invoke.texi: Document that one should
not combine ASLR and -fpch.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d6b5ded..85083e8 100644 --- a/gcc/ChangeLog +++ b/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 diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 4dec0c8..35b341e 100644 --- a/gcc/doc/invoke.texi +++ b/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 |