[llvm] [InstCombine] Do not require nsz for reassociating fmul (PR #93698)

[Joshua Cranmer via llvm-commits]

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@@ -38,8 +38,7 @@ define <4 x float> @test_fmul_reassoc_nsz(<4 x float> %V) {
 ; TODO: This doesn't require 'nsz'.  It should fold to V * { 1.0, 4.0e+05, -9.0, 16.0 }
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jcranmer-intel wrote:

Might as well clear this TODO note while you're here.

https://github.com/llvm/llvm-project/pull/93698