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No run-time type checking of bounds for new expression #1029
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closed-not-planned
Closed as we don't intend to take action on the reported issue
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Currently there isn't any storage of type information at the class level, so A<T extends String> is lost, but A<List> isn't. The RTT code has checks for assignability and implementation, so we could store A<String> with the class and add some run-time checks. |
This comment was originally written by [email protected] Code generation removed from dartc. Added WontFix label. |
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2021-04-07 [email protected] Fixes #535: more nnbd tests for constant evaluation added. 2021-04-07 [email protected] Fixes #1068. Remove excessive - in a SharedOptions 2021-04-05 [email protected] Fixes #535: more nnbd tests for constant evaluation added. 2021-04-05 [email protected] Fixes #996: more tests added. 2021-04-05 [email protected] Fixes #996: more tests added. 2021-04-05 [email protected] Fixes #1067: added checks for old and new dart versions. 2021-04-05 [email protected] Fixes #1066: added @Dart=2.12 to the initial version of the test, new test which checks recent dart behavior added. 2021-04-05 [email protected] Fixes #1057: Expected result doe the tests with mailformed types updated. 2021-04-02 [email protected] Fixes #1062. Remove unnecessary assignment 2021-04-01 [email protected] Fixes #1057: Expected result doe the tests with mailformed types updated. 2021-04-01 [email protected] Expected error code is fixed for Windows 2021-04-01 [email protected] Fixes #1060. Expected error message position updated 2021-04-01 [email protected] Fixes #1059. Expected error message updated 2021-04-01 [email protected] Fixes #1024. Adjust expected results for web platforms 2021-04-01 [email protected] #993. More Array tests added 2021-03-31 [email protected] Update LICENSE 2021-03-31 [email protected] #993. Array tests added 2021-03-31 [email protected] Issue #1053: Missing Issue tag added, test expectation updated. 2021-03-30 [email protected] Fixes #1054: Updated expectations for mailformed raw type variables. 2021-03-30 [email protected] Fixes #1050: Updated expectations for mailformed raw type variables. 2021-03-30 [email protected] Fixes #1050: Got rid of mailformed row type variable usage in i-2-b- tests. 2021-03-29 [email protected] Fixes #1043. Remove static warning as an expected result 2021-03-29 [email protected] Fixes #1049: Correct expectation adjusted 2021-03-29 [email protected] Fixes #1048. Move tests to correct folder and change the description 2021-03-29 [email protected] Fixes #1046: Test adjusted to work with the generic metadata feature enabled. 2021-03-29 [email protected] Fixes #1047. Change expected result to not to fail on JavaScript configurations 2021-03-29 [email protected] Fixes #1044. Change expected result to not to fail on JavaScript configurations 2021-03-26 [email protected] Fixes #1029: Missing Issue tag added to the test. 2021-03-26 [email protected] Fixes #1042. Add check that produces different results for triple and double shifts 2021-03-26 [email protected] Fixes #1042. Fix built-in_types_t11.dart to expect correct results 2021-03-25 [email protected] Fixes #1019. Don't use type aliases in legacy libraries 2021-03-25 [email protected] Fixes #1039: Old-style aliases corrected. 2021-03-25 [email protected] Fixes #988. Expect static type warning in a right way 2021-03-24 [email protected] Issues #1029: Static expectation corrected. 2021-03-24 [email protected] Issues #1035: Issue tag for the bug 45443 added. 2021-03-24 [email protected] Merge branch 'master' of https://github.com/dart-lang/co19 2021-03-24 [email protected] #1023. Change SplayTreeMap and SplayTreeSet tests according to the new behavior 2021-03-23 [email protected] #1021. Remove expecting errors on web configurations for some negative numbers 2021-03-23 [email protected] Fixes #1034. Missed experimental flag added 2021-03-23 [email protected] #1033. Perform runtime check on big values for non-JavaScript configurations only 2021-03-23 [email protected] Issues #1029: co19/Language/Generics/Superbounded_types/typedef3_A01_t06/02 corrected and does not expect a compile error now. Cq-Include-Trybots: dart/try:analyzer-nnbd-linux-release-try,dart2js-nnbd-linux-x64-chrome-try,ddc-nnbd-linux-release-chrome-try,front-end-nnbd-linux-release-x64-try,vm-kernel-nnbd-linux-debug-x64-try,vm-kernel-nnbd-linux-release-simarm64-try,vm-kernel-nnbd-linux-release-x64-try,vm-kernel-nnbd-mac-release-x64-try,vm-kernel-nnbd-win-release-x64-try,vm-kernel-precomp-nnbd-linux-debug-x64-try,vm-kernel-precomp-nnbd-linux-release-simarm64-try,vm-kernel-precomp-nnbd-linux-release-x64-try Change-Id: I5fae01c7b48aba502da04638430f4f6de79ac745 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/194241 Reviewed-by: William Hesse <[email protected]>
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This issue was originally filed by [email protected]
See issue #987 and issue #1027
Note, that test case
class A<T extends String> {}
main() {
var x = new A<List>();
}
has compile-time checking, but no runtime checks are added to the new invocation.
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