1 files changed, 3 insertions, 0 deletions
diff --git a/src/settings.js b/src/settings.js
index 3eb43f1c..7a9e6b76 100644
--- a/src/settings.js
+++ b/src/settings.js
@@ -173,6 +173,9 @@ var ALIASING_FUNCTION_POINTERS = 0; // Whether to allow function pointers to ali
 var FUNCTION_POINTER_ALIGNMENT = 2; // Byte alignment of function pointers - we will fill the
                                     // tables with zeros on aligned values. 1 means all values
                                     // are aligned and all will be used (which is optimal).
+                                    // Sadly 1 breaks on &Class::method function pointer calls,
+                                    // which llvm assumes have the lower bit zero (see
+                                    // test_polymorph and issue #1692).
 
 var ASM_HEAP_LOG = 0; // Simple heap logging, like SAFE_HEAP_LOG but cheaper, and in asm.js