Avoid creating slices with null pointers.

2019-01-03 12:04:19 -08:00
parent 57e183f5f8
commit 701b1998e9
4 changed files with 8 additions and 5 deletions
--- a/lib/environ/src/module.rs
+++ b/lib/environ/src/module.rs
@@ -56,6 +56,7 @@ impl MemoryStyle {
            if maximum <= tunables.static_memory_bound {
                // A heap with a declared maximum can be immovable, so make
                // it static.
+                assert!(tunables.static_memory_bound >= memory.minimum);
                return (
                    MemoryStyle::Static {
                        bound: tunables.static_memory_bound,