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[Bug fortran/43136] Excess copy-in/copy-out with character argument
- From: "tkoenig at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 8 Jan 2011 22:18:37 +0000
- Subject: [Bug fortran/43136] Excess copy-in/copy-out with character argument
- Auto-submitted: auto-generated
- References: <bug-43136-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43136
--- Comment #2 from Thomas Koenig <tkoenig at gcc dot gnu.org> 2011-01-08 22:18:31 UTC ---
We have to watch out for aliasing here; if
foo changes the arguments, we have to have a copy.
Compare PR 47065.