tree ba4ab13993399f52d1629963a75dcbd378b1be89
parent ce74d6e4ed13562f7da754020cdd4bfdec7be1d1
author Konstantin Shcheglov <scheglov@google.com> 1607233144 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> 1607233144 +0000

Flow analysis is not available outside of function bodies and initializers.

This fixes a group of crashes during fuzz testing.

FAILURE: z({=?[
[NoSuchMethodError: The getter 'flow' was called on null.
Receiver: null
Tried calling: flow
#0      Object.noSuchMethod (dart:core-patch/object_patch.dart:54:5)
#1      ResolverVisitor.startNullAwareIndexExpression (package:analyzer/src/generated/resolver.dart:743:21)
#2      ResolverVisitor.visitIndexExpression (package:analyzer/src/generated/resolver.dart:1552:5)
#3      IndexExpressionImpl.accept (package:analyzer/src/dart/ast/ast.dart:5993:49)
#4      AstResolver.resolve (package:analyzer/src/summary2/ast_resolver.dart:85:10)
#5      DefaultValueResolver._parameter (package:analyzer/src/summary2/default_value_resolver.dart:107:18)
#6      DefaultValueResolver._parameters (package:analyzer/src/summary2/default_value_resolver.dart:121:7)
#7      DefaultValueResolver._function (package:analyzer/src/summary2/default_value_resolver.dart:89:5)
#8      DefaultValueResolver.resolve (package:analyzer/src/summary2/default_value_resolver.dart:47:9)
#9      LibraryBuilder.resolveDefaultValues (package:analyzer/src/summary2/library_builder.dart:313:43)
#10     Linker._resolveDefaultValues (package:analyzer/src/summary2/link.dart:230:15)
#11     Linker._buildOutlines (package:analyzer/src/summary2/link.dart:89:5)
#12     Linker.link (package:analyzer/src/summary2/link.dart:69:5)
#13     link (package:analyzer/src/summary2/link.dart:33:10)


Change-Id: I6145a1f728d432be8d0fa55235858e091030461c
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/175187
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Konstantin Shcheglov <scheglov@google.com>