commit | 34314280e46da1558bc7f9cd7e8a9ed610cf417b | [log] [tgz] |
---|---|---|
author | Matthew Dempsky <mdempsky@google.com> | Fri Mar 27 14:33:54 2020 -0700 |
committer | Matthew Dempsky <mdempsky@google.com> | Tue Mar 31 20:59:14 2020 +0000 |
tree | 0eef8fc2694a4a1daa28889860baa20656466609 | |
parent | faa53e17d1c91d97aa2b780ac41190d151aa6b0e [diff] |
cmd/compile: fix constant conversion involving complex types In CL 187657, I refactored constant conversion logic without realizing that conversions between int/float and complex types are allowed for constants (assuming the constant values are representable by the destination type), but are never allowed for non-constant expressions. This CL expands convertop to take an extra srcConstant parameter to indicate whether the source expression is a constant; and if so, to allow any numeric-to-numeric conversion. (Conversions of values that cannot be represented in the destination type are rejected by evconst.) Fixes #38117. Change-Id: Id7077d749a14c8fd910be38da170fa5254819f2b Reviewed-on: https://go-review.googlesource.com/c/go/+/226197 Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Robert Griesemer <gri@golang.org>
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