Enable address sanitizer

codecs/avif/dec/avif_dec.cpp

@@ -1,3 +1,5 @@
+#include <sanitizer/lsan_interface.h>
+
 #include <emscripten/bind.h>
 #include <emscripten/val.h>
 #include "avif/avif.h"
@@ -47,4 +49,5 @@ val decode(std::string avifimage) {
 
 EMSCRIPTEN_BINDINGS(my_module) {
   function("decode", &decode);
+  function("doLeakCheck", &__lsan_do_recoverable_leak_check);
 }

codecs/avif/dec/avif_dec.d.ts

@@ -1,5 +1,6 @@
 interface AVIFModule extends EmscriptenWasm.Module {
   decode(data: BufferSource): ImageData | null;
+  doLeakCheck(): void;
 }
 
 export default function(opts: EmscriptenWasm.ModuleOpts): AVIFModule;