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[fortran, patch] Fix display of locus when source contains wide characters

From: FX <fxcoudert at gmail dot com>
To: fortran at gcc dot gnu dot org
Cc: gcc-patches at gcc dot gnu dot org
Date: Sat, 3 Mar 2012 16:08:55 +0100
Subject: [fortran, patch] Fix display of locus when source contains wide characters
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The attached patch fixes PR 36160 (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36160). It should correctly account for wide characters when display error loci. I'm not sure if we can check that in the testsuite harness, but you can manually see it at work on the attached test.f90.

Bootstrapped and regtested on x86_64-apple-darwin11, OK for trunk?
FX

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Attachment: test.f90
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