auto-generate library stubs that abort for missing library functions, and implement DEAD_FUNCTIONS that way

1 files changed, 1 insertions, 6 deletions

diff --git a/src/settings.js b/src/settings.js
index 8c7d1f83..c878be92 100644
--- a/src/settings.js
+++ b/src/settings.js
@@ -342,12 +342,7 @@ var PGO = 0; // Enables profile-guided optimization in the form of runtime check
              // calling PGOMonitor.dump());
 var DEAD_FUNCTIONS = []; // Functions on this list are not converted to JS, and calls to
                          // them are turned into abort()s. This is potentially useful for
-                         // (1) reducing code size, if you know some function will never
-                         // be called (see PGO), and also (2) ASM.js requires all declared
-                         // functions to have a corresponding implementation (even if the
-                         // function is never called) and will emit an error during linking if no
-                         // implementation can be found; with this option, asm.js validation will
-                         // succeed for that function and calls to it.
+                         // reducing code size.
                          // If a dead function is actually called, you will get a runtime
                          // error.
                          // TODO: options to lazily load such functions