grow_memory is renamed to memory.grow in the spec.

filetests/grow.wat

@@ -11,13 +11,13 @@
   (func $main (local i32)
     (call $assert
       (i32.eq
-        (grow_memory (i32.const 1))
+        (memory.grow (i32.const 1))
         (i32.const 1)
       )
     )
     (call $assert
       (i32.eq
-        (current_memory)
+        (memory.size)
         (i32.const 2)
       )
     )

lib/environ/src/lib.rs

@@ -1,5 +1,5 @@
 //! Standalone environment for WebAssembly using Cranelift. Provides functions to translate
-//! `get_global`, `set_global`, `current_memory`, `grow_memory`, `call_indirect` that hardcode in
+//! `get_global`, `set_global`, `memory.size`, `memory.grow`, `call_indirect` that hardcode in
 //! the translation the base addresses of regions of memory that will hold the globals, tables and
 //! linear memories.