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Robert Griesemer 068dd0470b [dev.typeparams] cmd/compile/internal/syntax: don't panic when providing -verify
The -verify flag is used to verify idempotent printing of syntax
trees. While syntax tree printing is not actively used at the
moment, the verification code still shouldn't panic.

Fixed the cause for the panic (after reading from a bytes.Buffer
that buffer is empty and so doesn't compare to the unread buffer),
and replaced the panic with a test error.

Added a test that makes sure the code invoked by -verify is run.

Change-Id: I38634ed7cfa8668deb0ea2ee9fb74a8f86cfc195
Reviewed-on: https://go-review.googlesource.com/c/go/+/278477
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2020-12-16 18:41:38 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api api: update next.txt 2020-10-29 20:51:49 +00:00
doc doc: add description of new framepointer vet check 2020-12-09 01:34:53 +00:00
lib/time lib/time, time/tzdata: update tz data to 2020d 2020-10-24 21:42:44 +00:00
misc cmd/compile, runtime: use __msan_memmove for moving data, split msanread to fields 2020-12-03 15:40:11 +00:00
src [dev.typeparams] cmd/compile/internal/syntax: don't panic when providing -verify 2020-12-16 18:41:38 +00:00
test [dev.typeparams] cmd/compile/internal/types2: report error for invalid (but empty) expr switch 2020-12-15 19:43:32 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: add Kush Patel (corporate CLA for Hootsuite Inc) 2020-07-08 00:10:44 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS CONTRIBUTORS: update for the Go 1.15 release 2020-08-10 21:51:48 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
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README.md README: linkify some paths 2018-06-06 18:07:01 +00:00
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SECURITY.md SECURITY.md: update go versions 2019-09-26 15:34:57 +00:00

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