Merge pull request #5307 from ziglang/self-hosted-incremental-compilation

rework self-hosted compiler for incremental builds

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/std/hash_map.zig b/lib/std/hash_map.zig
index 47cc2f91e9..e2addb9b38 100644
--- a/lib/std/hash_map.zig
+++ b/lib/std/hash_map.zig
@@ -10,7 +10,7 @@ const Wyhash = std.hash.Wyhash;
 const Allocator = mem.Allocator;
 const builtin = @import("builtin");
 
-const want_modification_safety = builtin.mode != .ReleaseFast;
+const want_modification_safety = std.debug.runtime_safety;
 const debug_u32 = if (want_modification_safety) u32 else void;
 
 pub fn AutoHashMap(comptime K: type, comptime V: type) type {
@@ -219,6 +219,10 @@ pub fn HashMap(comptime K: type, comptime V: type, comptime hash: fn (key: K) u3
             return put_result.old_kv;
         }
 
+        pub fn putAssumeCapacityNoClobber(self: *Self, key: K, value: V) void {
+            assert(self.putAssumeCapacity(key, value) == null);
+        }
+
         pub fn get(hm: *const Self, key: K) ?*KV {
             if (hm.entries.len == 0) {
                 return null;