add tests for #2248

testsuite/tests/ghc-regress/driver/Makefile

@@ -391,6 +391,19 @@ test080:
 	test -f A.hc
 
 
+# Tests for #2248, -o and .exe
+
+define test081
+$(RM) $(1).hs $(1).hi $(1)$(OBJSUFFIX) $(1).hc $(1)$(exeext)
+echo "module Main where { main = putStrLn \"ok\" }" >$(1).hs
+$(TEST_HC) --make -v0 $(1).hs
+test -f $(1)$(exeext)
+endef
+
+test081.1:
+	$(call test081, Test_0)
+test081.2:
+	$(call test081, Test.0)
 
 # -----------------------------------------------------------------------------
 # --make tests

testsuite/tests/ghc-regress/driver/all.T

@@ -171,6 +171,13 @@ test('driver080', normal, run_command,
      ['$MAKE -s --no-print-directory test080'])
 cleanall()
 
+test('driver081.1', normal, run_command,
+     ['$MAKE -s --no-print-directory test081.1'])
+cleanall()
+test('driver081.2', normal, run_command,
+     ['$MAKE -s --no-print-directory test081.2'])
+cleanall()
+
 test('driver200', normal, run_command,
      ['$MAKE -s --no-print-directory test200'])
 cleanall()