Replace 1.3 _compile_context to 1.4 _statement_20 #394

Job	Run time
3.7 CH=23.8.4	1m 0s
3.7 CH=22.5.1.2079	1m 12s
3.7 CH=19.3.5	56s
3.7 CH=18.14.9	59s
3.8 CH=23.8.4	34s
3.8 CH=22.5.1.2079	44s
3.8 CH=19.3.5	36s
3.8 CH=18.14.9	28s
3.9 CH=23.8.4	41s
3.9 CH=22.5.1.2079	32s
3.9 CH=19.3.5	31s
3.9 CH=18.14.9	35s
3.10 CH=23.8.4	42s
3.10 CH=22.5.1.2079	32s
3.10 CH=19.3.5	34s
3.10 CH=18.14.9	28s
3.11 CH=23.8.4	35s
3.11 CH=22.5.1.2079	32s
3.11 CH=19.3.5	29s
3.11 CH=18.14.9	27s
3.12 CH=23.8.4	1m 0s
3.12 CH=22.5.1.2079	57s
3.12 CH=19.3.5	54s
3.12 CH=18.14.9	48s
Indicate completion to coveralls.io	8s
	16m 54s

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