Complain about duplicated names.

tests/co19/co19-kernel.status

Index: tests/co19/co19-kernel.status
diff --git a/tests/co19/co19-kernel.status b/tests/co19/co19-kernel.status
index ea019c16bb3f70bf033da448b604b9d3c1998fc0..650e7e4a054d4b79ad50662d9b0d7e2ae9d85356 100644
--- a/tests/co19/co19-kernel.status
+++ b/tests/co19/co19-kernel.status
@@ -215,22 +215,10 @@ Language/Overview/Privacy/private_and_public_t09: RuntimeError
 Language/Overview/Privacy/private_and_public_t10: RuntimeError
 Language/Overview/Privacy/private_and_public_t19: RuntimeError
 Language/Overview/Privacy/private_and_public_t20: RuntimeError
-Language/Overview/Scoping/conflicting_names_t16: Crash
-Language/Overview/Scoping/conflicting_names_t17: Crash
-Language/Overview/Scoping/conflicting_names_t18: Crash
-Language/Overview/Scoping/conflicting_names_t25: Crash
-Language/Overview/Scoping/conflicting_names_t26: Crash
-Language/Overview/Scoping/conflicting_names_t27: Crash
-Language/Overview/Scoping/conflicting_names_t31: MissingCompileTimeError
-Language/Overview/Scoping/conflicting_names_t32: MissingCompileTimeError
-Language/Overview/Scoping/conflicting_names_t33: MissingCompileTimeError
 Language/Overview/Scoping/conflicting_names_t35: MissingCompileTimeError
-Language/Overview/Scoping/conflicting_names_t37: Crash
-Language/Overview/Scoping/conflicting_names_t38: Crash
 Language/Overview/Scoping/conflicting_names_t39: MissingCompileTimeError
 Language/Overview/Scoping/conflicting_names_t40: MissingCompileTimeError
 Language/Overview/Scoping/conflicting_names_t41: MissingCompileTimeError
-Language/Overview/Scoping/conflicting_names_t44: Crash
 Language/Reference/Lexical_Rules/Reserved_Words/void_t05: DartkCrash
 Language/Statements/Continue/label_t06: MissingCompileTimeError
 Language/Statements/Continue/label_t07: MissingCompileTimeError
@@ -258,7 +246,6 @@ Language/Statements/Switch/syntax_t16: MissingCompileTimeError
 Language/Statements/Switch/syntax_t17: MissingCompileTimeError
 Language/Statements/Try/malformed_type_t04: RuntimeError
 Language/Statements/Try/syntax_t13: MissingCompileTimeError
-Language/Statements/Try/syntax_t15: Crash
 Language/Statements/Yield_and_Yield_Each/Yield_Each/location_t01: MissingCompileTimeError # Issue 25495
 Language/Statements/Yield_and_Yield_Each/Yield_Each/location_t03: MissingCompileTimeError # Issue 25495
 Language/Statements/Yield_and_Yield_Each/Yield_Each/location_t05: MissingCompileTimeError # Issue 25495
@@ -346,12 +333,10 @@ Language/Metadata/compilation_t08: MissingCompileTimeError
 Language/Metadata/compilation_t09: MissingCompileTimeError
 Language/Metadata/compilation_t10: MissingCompileTimeError
 Language/Metadata/compilation_t11: MissingCompileTimeError
-Language/Overview/Scoping/conflicting_names_t43: MissingCompileTimeError
 LibTest/isolate/Isolate/spawnUri_A01_t03: Pass, Timeout
 
 # dartk: JIT failures (debug)
 [ $compiler == dartk && $mode == debug ]
-Language/Overview/Scoping/conflicting_names_t43: Crash
 LibTest/isolate/Isolate/spawnUri_A01_t04: Pass, Slow, Timeout
 
 # dartk: precompilation failures
@@ -361,7 +346,6 @@ Language/Classes/Setters/parameter_t05: Crash
 Language/Classes/Setters/parameter_t07: Crash
 Language/Expressions/Constants/depending_on_itself_t01: Crash
 Language/Expressions/Constants/depending_on_itself_t02: Crash
-Language/Overview/Scoping/conflicting_names_t43: Crash
 Language/Overview/Scoping/hiding_declaration_t11: Crash
 Language/Overview/Scoping/hiding_declaration_t12: Crash