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Michael Hudson-Doyle 2f41edf120 cmd/link: always read type data for dynimport symbols
Consider three shared libraries:

 libBase.so -- defines a type T
 lib2.so    -- references type T
 lib3.so    -- also references type T, and something from lib2

lib2.so will contain a type symbol for T in its symbol table, but no
definition. If, when linking lib3.so the linker reads the symbols from lib2.so
before libBase.so, the linker didn't read the type data and later crashed.

The fix is trivial but the test change is a bit messy because the order the
linker reads the shared libraries in ends up depending on the order of the
import statements in the file so I had to rename one of the test packages so
that gofmt doesn't fix the test by accident...

Fixes #15516

Change-Id: I124b058f782c900a3a54c15ed66a0d91d0cde5ce
Reviewed-on: https://go-review.googlesource.com/22744
Run-TryBot: Michael Hudson-Doyle <michael.hudson@canonical.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2016-05-04 07:13:01 +00:00
.github doc: update issue template 2016-03-09 00:52:16 +00:00
api cmd/api: remove debug/pe replated changes from next.txt 2016-05-04 05:55:07 +00:00
doc all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
lib/time all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
misc cmd/link: always read type data for dynimport symbols 2016-05-04 07:13:01 +00:00
src cmd/link: always read type data for dynimport symbols 2016-05-04 07:13:01 +00:00
test all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore .gitignore: don't ignore y.output 2016-04-17 22:41:13 +00:00
AUTHORS A+C: manual updates 2016-01-08 06:02:39 +00:00
CONTRIBUTING.md doc: use new Gerrit URL and mention our instance in CONTRIBUTING.md 2016-03-09 00:52:42 +00:00
CONTRIBUTORS C: fix jbd's identity 2016-04-07 18:25:13 +00:00
favicon.ico godoc: update favicon 2012-10-11 17:02:36 +11:00
LICENSE doc: update licensing text one more time 2012-03-27 15:09:13 +11:00
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README.md readme: emphasize issue tracker is for bugs/proposals 2015-10-02 18:44:14 +00:00
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