per golang/go#19348, mid-stack inlining is possible since go1.13

Author: lestrrat

CompilerOptimizations.md

@@ -57,7 +57,7 @@ Gc compiler does global escape analysis across function and package boundaries.
 
 ### Function Inlining
 
-Only short and simple functions are inlined. To be inlined a function must contain less than ~40 expressions and does not contain complex things like function calls, loops, labels, closures, `panic`'s, `recover`'s, `select`'s, `switch`'es, etc.
+Only short and simple functions are inlined. To be inlined a function must contain less than ~40 expressions and does not contain complex things like loops, labels, closures, `panic`'s, `recover`'s, `select`'s, `switch`'es, etc.
 
 * **gc:** 1.0+
 * **gccgo:** -O1 and above.