Testsuite: #10712 is fixed

Verified by running:

  make TEST='exceptionsrun001 T3279 conc012 conc014' slowtest

libraries/base/tests/all.T

@@ -84,7 +84,7 @@ test('enum02',          enum_setups, compile_and_run, [''])
 test('enum03',          enum_setups, compile_and_run, [''])
 test('enum04',          normal, compile_and_run, [''])
 
-test('exceptionsrun001', expect_broken_for(10712, opt_ways), compile_and_run, [''])
+test('exceptionsrun001',        normal, compile_and_run, [''])
 test('exceptionsrun002', 	normal, compile_and_run, [''])
 test('foldableArray',   normal, compile_and_run, [''])
 test('list001'	,	when(fast(), skip), compile_and_run, [''])

testsuite/tests/concurrent/should_run/all.T

@@ -32,7 +32,7 @@ test('T367_letnoescape',
 test('T1980', normal, compile_and_run, [''])
 test('T2910', normal, compile_and_run, [''])
 test('T2910a', normal, compile_and_run, [''])
-test('T3279', expect_broken_for(10712, opt_ways), compile_and_run, [''])
+test('T3279', normal, compile_and_run, [''])
 
 # This test takes a long time with the default context switch interval
 test('T3429', extra_run_opts('+RTS -C0.001 -RTS'), compile_and_run, [''])
@@ -126,11 +126,11 @@ test('conc010', normal, compile_and_run, [''])
 
 # conc012(ghci) needs a smaller stack, or it takes forever
 test('conc012',
-     [extra_run_opts('+RTS -K8m -RTS'), expect_broken_for(10712, opt_ways)],
+     extra_run_opts('+RTS -K8m -RTS'),
      compile_and_run, [''])
 
 test('conc013', normal, compile_and_run, [''])
-test('conc014', expect_broken_for(10712, opt_ways), compile_and_run, [''])
+test('conc014', normal, compile_and_run, [''])
 test('conc015', normal, compile_and_run, [''])
 test('conc015a', normal, compile_and_run, [''])
 test('conc016', omit_ways(['threaded2']), # see comment in conc016.hs