No longer able to type check expressions with Xcode 10.2 (caused by new SIMD API?)

Using Swift
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5

The code example in the OP is still too complex to type check, even for Xcode 10.2.1:

import simd

func test(_ p0: float2, _ p1: float2, _ p2: float2, _ p3: float2) {
    let i = 3*(-p0 + 3*p1) - (3*p2 + p3)
    let j = 6*(p0 - 2*p1 + p2)
    let k = 3*(p1 - p0)
    print(i, j, k)
}

swiftc --version
Apple Swift version 5.0.1 (swiftlang-1001.0.82.4 clang-1001.0.46.5)
Target: x86_64-apple-darwin18.5.0
$ time swiftc test.swift
test.swift:4:28: error: the compiler is unable to type-check this expression in reasonable time; try breaking up the expression into distinct sub-expressions
    let i = 3*(-p0 + 3*p1) - (3*p2 + p3)
            ~~~~~~~~~~~~~~~^~~~~~~~~~~~~

real	0m20.778s
user	0m18.693s
sys	0m1.627s

:ยด /

(As previously noted, this is: SR-10461.)