demangle: add a TestCases exception where we get a better result

Author: ianlancetaylor

cases_test.go

@@ -30073,7 +30073,6 @@ var casesExpectedFailures = map[string]bool{
 	"_ZN1XIZ1fIiEvOT_EUlOT_DpT0_E_EclIJEEEvDpT_":                                                    true,
 	"_ZN1XIZ1fIiEvOT_EUlS2_DpT0_E_EclIJEEEvDpT_":                                                    true,
 	"_ZZZZN6abcdef9abcdefghi29abcdefabcdefabcdefabcefabcdef27xxxxxxxxxxxxxxxxxxxxxxxxxxxEN4absl8DurationERKNSt3__u12basic_stringIcNS4_11char_traitsIcEENS4_9allocatorIcEEEEPNS1_19yyyyyyyyyyyyyyyyyyyEENK3$_5clEvENKUlvE_clEvE6zzzzzz": true,
-	"_Z1h1XIJZ1fIiEDaOT_E1AZ1gIdEDaS2_E1BEE": true,
 }
 
 // caseExceptions is a list of exceptions from the LLVM list that we
@@ -30084,6 +30083,7 @@ var casesExpectedFailures = map[string]bool{
 // intentionally should not demangle this case.  Otherwise this maps
 // to the expected demangling.
 var casesExceptions = map[string]string{
+	"_Z1h1XIJZ1fIiEDaOT_E1AZ1gIdEDaS2_E1BEE": "h(X<f<int>(int&&)::A, g<double>(double&&)::B>)",
 }
 
 func TestCases(t *testing.T) {