option to alias function pointer indexes across types

1 files changed, 4 insertions, 0 deletions

diff --git a/src/settings.js b/src/settings.js
index 8766277b..d3abb06e 100644
--- a/src/settings.js
+++ b/src/settings.js
@@ -142,6 +142,10 @@ var SAFE_DYNCALLS = 0; // Show stack traces on missing function pointer/virtual
 
 var RESERVED_FUNCTION_POINTERS = 0; // In asm.js mode, we cannot simply add function pointers to
                                     // function tables, so we reserve some slots for them.
+var ALIASING_FUNCTION_POINTERS = 0; // Whether to allow function pointers to alias if they have
+                                    // a different type. This can greatly decrease table sizes
+                                    // in asm.js, but can break code that compares function
+                                    // pointers across different types.
 
 var ASM_HEAP_LOG = 0; // Simple heap logging, like SAFE_HEAP_LOG but cheaper, and in asm.js