Tweak the driver so that 2566 passes in teh new build system

testsuite/driver/testlib.py

@@ -1228,7 +1228,11 @@ def normalise_errmsg( str ):
     str = re.sub('([^\\s])\\.exe', '\\1', str)
     # The inplace ghc's are called ghc-bin-stage[123] to avoid filename
     # collisions, so we need to normalise that to just "ghc"
+    # (this is for the old build system, I think, so should be removable)
     str = re.sub('ghc-bin-stage[123]', 'ghc', str)
+    # The inplace ghc's are called ghc-stage[123] to avoid filename
+    # collisions, so we need to normalise that to just "ghc"
+    str = re.sub('ghc-stage[123]', 'ghc', str)
     return str
 
 def normalise_slashes_( str ):