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Commit Graph

2 Commits

Author SHA1 Message Date
Robert Griesemer
edf80c4209 [dev.typeparams] cmd/compile/internal/types2: adjusted more error messages for compiler
Triaged and adjusted more test/fixedbugs/* tests.

Change-Id: I80b9ead2445bb8d126b7d79db4bea9ddcb225a84
Reviewed-on: https://go-review.googlesource.com/c/go/+/276812
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
2020-12-09 23:59:57 +00:00
Matthew Dempsky
34314280e4 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>
2020-03-31 20:59:14 +00:00