diff --git a/base/interactiveutil.jl b/base/interactiveutil.jl
index 1d569265a3773..12663bb92363a 100644
--- a/base/interactiveutil.jl
+++ b/base/interactiveutil.jl
@@ -61,9 +61,10 @@ function edit(path::AbstractString, line::Integer=0)
     end
 
     if is_windows() && name == "open"
-        systemerror(:edit, ccall((:ShellExecuteW,"shell32"), stdcall, Int,
-                                 (Ptr{Void}, Cwstring, Cwstring, Ptr{Void}, Ptr{Void}, Cint),
-                                 C_NULL, "open", path, C_NULL, C_NULL, 10) ≤ 32)
+        @static is_windows() && # don't emit this ccall on other platforms
+            systemerror(:edit, ccall((:ShellExecuteW, "shell32"), stdcall, Int,
+                                     (Ptr{Void}, Cwstring, Cwstring, Ptr{Void}, Ptr{Void}, Cint),
+                                     C_NULL, "open", path, C_NULL, C_NULL, 10) ≤ 32)
     elseif background
         spawn(pipeline(cmd, stderr=STDERR))
     else
diff --git a/src/dump.c b/src/dump.c
index 08e31148a9163..3df2965305ed6 100644
--- a/src/dump.c
+++ b/src/dump.c
@@ -422,7 +422,15 @@ static void jl_update_all_fptrs(void)
 {
     //jl_printf(JL_STDOUT, "delayed_fptrs_n: %d\n", delayed_fptrs_n);
     void **fvars = sysimg_fvars;
-    if (fvars == 0) return;
+    if (fvars == NULL) {
+        size_t i;
+        for (i = 0; i < delayed_fptrs_n; i++) {
+            jl_method_instance_t *li = delayed_fptrs[i].li;
+            assert(li->jlcall_api && li->jlcall_api != 2);
+            li->jlcall_api = 0;
+        }
+        return;
+    }
     // jl_fptr_to_llvm needs to decompress some ASTs, therefore this needs to be NULL
     // to skip trying to restore GlobalVariable pointers in jl_deserialize_gv
     sysimg_gvars = NULL;
@@ -431,7 +439,7 @@ static void jl_update_all_fptrs(void)
     jl_method_instance_t **linfos = (jl_method_instance_t**)malloc(sizeof(jl_method_instance_t*) * sysimg_fvars_max);
     for (i = 0; i < delayed_fptrs_n; i++) {
         jl_method_instance_t *li = delayed_fptrs[i].li;
-        assert(li->def);
+        assert(li->def && li->jlcall_api && li->jlcall_api != 2);
         int32_t cfunc = delayed_fptrs[i].cfunc - 1;
         if (cfunc >= 0) {
             jl_fptr_to_llvm((jl_fptr_t)fvars[cfunc], li, 1);