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Bryan C. Mills aa24255541 os/exec: preserve original order of entries in dedupEnv
Once #50599 is implemented, the entries will be observable via the
Environ method. I find it confusing for later entries in the list to
jump arbitrarily far forward based on entries for the same key that no
longer exist.

This also fixes the deduplication logic for the degenerate Windows
keys observed in #49886, which were previously deduplicated as empty
keys.

(It does not do anything about the even-more-degenerate keys observed
in #52436.)

For #50599.

Change-Id: Ia7cd2200ec34ccc4b9d18631cb513194dc420c25
Reviewed-on: https://go-review.googlesource.com/c/go/+/401339
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-04-21 14:26:18 +00:00
.github .github: remove duplicate security link 2022-01-07 17:55:09 +00:00
api encoding/binary: add AppendVarint AppendUvarint 2022-04-15 01:19:37 +00:00
doc spec: clarify rules for type set construction of an interface 2022-04-19 23:42:38 +00:00
lib/time lib/time, time/tzdata: update to 2021e 2021-11-11 05:16:39 +00:00
misc all: gofmt main repo 2022-04-11 16:34:30 +00:00
src os/exec: preserve original order of entries in dedupEnv 2022-04-21 14:26:18 +00:00
test cmd/compile/internal/types2: use correct value of iota 2022-04-19 23:20:21 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore internal/buildcfg: move build configuration out of cmd/internal/objabi 2021-04-16 19:20:53 +00:00
AUTHORS A+C: add Wen Yang (individual CLA) 2022-04-11 22:24:03 +00:00
CONTRIBUTING.md
CONTRIBUTORS A+C: add Wen Yang (individual CLA) 2022-04-11 22:24:03 +00:00
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PATENTS
README.md README.md: update links to go.dev 2022-03-20 16:05:03 +00:00
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codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00

README.md

The Go Programming Language

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