Don't check in binaries in examples

compiler/build/src/link.rs

@@ -79,7 +79,7 @@ pub fn rebuild_host(host_input_path: &Path) {
             &zig_str_path
         );
 
-        let zig_env = "/usr/local/Cellar/zig/HEAD-6ab5beb/lib/zig/std/special/compiler_rt.zig";
+        let zig_env = "/usr/local/Cellar/zig/0.7.1/lib/zig/std/special/compiler_rt.zig";
 
         let output = Command::new("zig")
             .env_clear()

examples/.gitignore

@@ -8,4 +8,8 @@ benchmarks/nqueens
 benchmarks/deriv
 benchmarks/cfold
 benchmarks/rbtree-insert
+benchmarks/rbtree-del
+benchmarks/closure
+benchmarks/test-astar
+benchmarks/test-base64
 effect-example

examples/hello-world/platform/host.zig

@@ -5,6 +5,8 @@ const testing = std.testing;
 const expectEqual = testing.expectEqual;
 const expect = testing.expect;
 
+comptime {    _ = @import("compiler_rt"); }
+
 const mem = std.mem;
 const Allocator = mem.Allocator;