tree 9331ec37492cce5bc21689ac2d96ade558821396
parent 94738979a3422e845acf358a766aabf8b9275d43
author Cherry Zhang <cherryyz@google.com> 1531166795 -0400
committer Ian Lance Taylor <iant@golang.org> 1531184072 +0000

compiler: fix double evaluation with interface field expression

In Interface_field_reference_expression, the interface expression
is used in two places, so a temporary variable is used. Previously,
we used a Set_and_use_temporary_expression, which, when evaluated
twice, causes double evaluation of the underlying expression. Fix
by setting the temporary once and use Temporary_reference_expression
instead.

Fixes golang/go#26248.

Change-Id: Ieec464201a5498c3c8c4a1751c3bb79f4a2b515c
Reviewed-on: https://go-review.googlesource.com/122756
Reviewed-by: Ian Lance Taylor <iant@golang.org>