Codegen test coverage

One of GoLang optimization that I named "cmd/compile: avoid mapaccess at m[k]=append(m[k].."  (Issue 24364 and CL 100838) removes excessive runtime.mapaccess call. I provided usual tests and benchmarks that guarantee that the map still works as expected and performance has been improved. And I had to generate ASM code manually to make sure that CALL runtime.mapaccess is … Continue reading Codegen test coverage