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Alexander Markov 7a2c8b3f90 [vm/nnbd/aot/tfa] Support NNBD strong mode in type flow analysis 
This change adds support for types with different nullabilities to TFA,
and adjusts subtyping checks in TFA to take nullability into account.
This change assumes that NNBD strong mode is sound and there are no
opted-out libraries.

Fixes: https://github.com/dart-lang/sdk/issues/40717
Change-Id: I739b6ae317f218ced07636c09cfdbb277e1f81a8
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/140375
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
2020-03-27 18:56:47 +00:00
..
protobuf_aware_treeshaker
Re-land "[vm/tfa] Convert named and optional parameters to required parameters where possible."
2020-03-17 19:54:05 +00:00
type_flow
[vm/nnbd/aot/tfa] Support NNBD strong mode in type flow analysis
2020-03-27 18:56:47 +00:00
call_site_annotator.dart
[vm] Cleanup try-catch blocks around Expression.getStaticType
2019-11-22 16:48:04 +00:00
devirtualization.dart
[cfe] Implement nnbd-top-merge
2019-12-13 17:19:59 +00:00
ffi_checks.md
[vm/ffi] Document FFI static checks.
2019-10-10 11:05:06 +00:00
ffi_definitions.dart
[vm/ffi] Remove derived pointers inside structs
2020-02-18 12:16:16 +00:00
ffi_use_sites.dart
[vm/ffi] Change asFunction and lookFunction to extension methods
2020-02-14 15:46:37 +00:00
ffi.dart
[vm/ffi] Remove derived pointers inside structs
2020-02-18 12:16:16 +00:00
late_var_init_transformer.dart
[cfe] Make .{thisF,f}unctionType nullability-aware
2020-01-08 11:52:06 +00:00
list_factory_specializer.dart
[vm/nnbd] Specialize List.filled constructor invocations
2020-03-18 23:40:40 +00:00
mixin_deduplication.dart
[pkg/vm] Remove usage of Library.isExternal
2019-11-21 08:36:54 +00:00
no_dynamic_invocations_annotator.dart
[vm/aot] Use a global dispatch table for instance calls in AOT.
2020-02-03 11:04:15 +00:00
obfuscation_prohibitions_annotator.dart
[vm] Respect entry-point annotation on constructors during obfuscation.
2019-02-14 20:18:19 +00:00
pragma.dart
[vm/tfa] Use pragma to pass type arguments to exact return types.
2020-01-03 14:08:19 +00:00
unreachable_code_elimination.dart
[vm/aot] Eliminate unnecessary try/catch and try/finally
2020-03-10 21:44:43 +00:00