[Flang][Driver] NFC: Fix plugin test to work on Mac

Minor modifications to Diagnostic expectation to match the error generated in Mac.
Tested on M1 Mac.

Reviewed By: awarzynski

Differential Revision: https://reviews.llvm.org/D144630

diff --git a/flang/test/Driver/pass-plugin-not-found.f90 b/flang/test/Driver/pass-plugin-not-found.f90
index c0a5672..08dd29e 100644 (file)
--- a/flang/test/Driver/pass-plugin-not-found.f90
+++ b/flang/test/Driver/pass-plugin-not-found.f90
@@ -6,4 +6,4 @@
 ! RUN: not %flang_fc1 -emit-llvm -o /dev/null -fpass-plugin=X.Y %s 2>&1 | FileCheck %s --check-prefix=ERROR
 
 ! The exact wording of the error message depends on the system dlerror.
-! ERROR: error: unable to load plugin 'X.Y': 'Could not load library 'X.Y': {{.*}}: No such file or directory'
+! ERROR: error: unable to load plugin 'X.Y': 'Could not load library 'X.Y': {{.*}}: {{.*}}{{[Nn]}}o such file{{.*}}'