go/types: fix error message for consistency

Follow-up on https://golang.org/cl/271706 .
(Missed a review comment.)

Change-Id: Ibff542f43d721600a2452907c0a20941961e793f
Reviewed-on: https://go-review.googlesource.com/c/go/+/271766
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>

diff --git a/src/go/types/expr.go b/src/go/types/expr.go
index 5bf9c814603cbe4e488679527795786ee48fba31..4e19f304772791f261e0f25eca2e0ef1d550f49f 100644 (file)
--- a/src/go/types/expr.go
+++ b/src/go/types/expr.go
@@ -890,7 +890,7 @@ func (check *Checker) binary(x *operand, e *ast.BinaryExpr, lhs, rhs ast.Expr, o
                        // TODO(gri) We should report exactly what went wrong. At the
                        //           moment we don't have the (go/constant) API for that.
                        //           See also TODO in go/constant/value.go.
-                       check.errorf(atPos(e.OpPos), _InvalidConstVal, "constant result not representable")
+                       check.errorf(atPos(e.OpPos), _InvalidConstVal, "constant result is not representable")
                        // TODO(gri) Should we mark operands with unknown values as invalid?
                }
                // Typed constants must be representable in