cmd/compile/internal/ssa: unnecessary loop break

Change-Id: I32860a36b4acf5412c20bac2e8ebbb3965b796fe
GitHub-Last-Rev: c007639
GitHub-Pull-Request: #43617
Reviewed-on: https://go-review.googlesource.com/c/go/+/282832
Reviewed-by: Keith Randall <[email protected]>
Run-TryBot: Keith Randall <[email protected]>
Trust: Cherry Zhang <[email protected]>

Author: cuiweixie

src/cmd/compile/internal/ssa/likelyadjust.go

@@ -222,6 +222,7 @@ func likelyadjust(f *Func) {
 				if opcodeTable[v.Op].call {
 					local[b.ID] = blCALL
 					certain[b.ID] = max8(blCALL, certain[b.Succs[0].b.ID])
+					break
 				}
 			}
 		}