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2 Commits

Author SHA1 Message Date
Matthew Dempsky
999589e148 test: use dot-relative imports where appropriate
Currently, run.go's *dir tests allow "x.go" to be imported
interchangeably as either "x" or "./x". This is generally fine, but
can cause problems when "x" is the name of a standard library
package (e.g., "fixedbugs/bug345.dir/io.go").

This CL is an automated rewrite to change all `import "x"` directives
to use `import "./x"` instead. It has no effect today, but will allow
subsequent CLs to update test/run.go to resolve "./x" to "test/x" to
avoid stdlib collisions.

Change-Id: Ic76cd7140e83b47e764f8a499e59936be2b3c876
Reviewed-on: https://go-review.googlesource.com/c/go/+/395116
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2022-03-24 02:14:15 +00:00
Robert Griesemer
2abfa30f9e go/types, types2: consider type parameters for cycle detection
In validType, when we see an instantiated type, proceed as with
non-generic types but provide an environment in which to look up
the values (the corresponding type arguments) of type parameters
of the instantiated type. For each type parameter for which there
is a type argument, proceed with validating that type argument.
This corresponds to applying validType to the instantiated type
without actually instantiating the type (and running into infinite
instantiations in case of invalid recursive types).

Also, when creating a type instance, use the correct source position
for the instance (the start of the qualified identifier if we have an
imported type).

Fixes #48962.

Change-Id: I196c78bf066e4a56284d53368b2eb71bd8d8a780
Reviewed-on: https://go-review.googlesource.com/c/go/+/379414
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2022-01-24 21:27:28 +00:00