fix asm2wasm import type setting - set the type of used calls based o… (#920)

* fix asm2wasm import type setting - set the type of used calls based on the context, early, so it's valid in the optimizer

1 files changed, 14 insertions, 0 deletions

diff --git a/test/importedSignCast.asm.js b/test/importedSignCast.asm.js
new file mode 100644
index 000000000..60cc99d39
--- /dev/null
+++ b/test/importedSignCast.asm.js
@@ -0,0 +1,14 @@
+function asm(global, env, buffer) {
+  "use asm";
+
+  var gm = env._emscripten_glIsTexture;
+
+  function func() {
+    gm(0) << 24 >> 24;
+  }
+
+  var FUNCTION_TABLE_a = [ gm ];
+
+  return { func: func };
+}
+