docs

1 files changed, 5 insertions, 0 deletions

diff --git a/emcc b/emcc
index 775e2fe4..1ed5fcb6 100755
--- a/emcc
+++ b/emcc
@@ -246,6 +246,11 @@ Options that are modified or new in %s include:
                            may require some changes to the code. This
                            is run by default in -O3.
 
+                           In asm.js mode, closure will only be used on the
+                           'shell' code around the compiled code (the
+                           compiled code will be processed by the custom
+                           asm.js minifier).
+
                            Note: If closure compiler hits an out-of-memory,
                            try adjusting JAVA_HEAP_SIZE in the environment
                            (for example, to 4096m for 4GB).