Update ChangeLog.md with emscripten-core#9054, emscripten-core#9088, e…

…mscripten-core#9089

ChangeLog.md

@@ -32,6 +32,12 @@ Current Trunk
    minification. You must add it to `EXTRA_EXPORTED_RUNTIME_METHODS` if you want
    to call it on Module. (In assertions builds, an error with an explanation is
    shown.)
+ - Allow expressions with side effects as `EM_ASM`'s arguments and prohibit
+   non-arithmetic arguments (e.g. pointers, functions, arrays, objects). (#9054)
+ - `emcc` on Windows now prints valid newline byte sequence on parse errors
+   (#9088)
+ - Internal API update: one can now specialize embind's (un)marshalling for a
+   group of types via SFINAE, instead of a single type. (#9089)
 
 v.1.38.40: 07/24/2019
 ---------------------