diff --git a/src/AstGen.zig b/src/AstGen.zig
index de259521bce7556ba536eefbf8212c2b4ef11c5b..41a8ccadb20243a7e7dab3ce37c246474f5494f9 100644
--- a/src/AstGen.zig
+++ b/src/AstGen.zig
@@ -2342,10 +2342,10 @@ fn blockExprStmts(gz: *GenZir, parent_scope: *Scope, statements: []const Ast.Nod
 
             .while_simple,
             .while_cont,
-            .@"while", => _ = try whileExpr(gz, scope, .{ .rl = .discard }, inner_node, tree.fullWhile(inner_node).?, true),
+            .@"while", => _ = try whileExpr(gz, scope, .{ .rl = .none }, inner_node, tree.fullWhile(inner_node).?, true),
 
             .for_simple,
-            .@"for", => _ = try forExpr(gz, scope, .{ .rl = .discard }, inner_node, tree.fullFor(inner_node).?, true),
+            .@"for", => _ = try forExpr(gz, scope, .{ .rl = .none }, inner_node, tree.fullFor(inner_node).?, true),
 
             else => noreturn_src_node = try unusedResultExpr(gz, scope, inner_node),
             // zig fmt: on
diff --git a/test/cases/compile_errors/for_loop_break_value_ignored.zig b/test/cases/compile_errors/for_loop_break_value_ignored.zig
new file mode 100644
index 0000000000000000000000000000000000000000..a1119ec651d6a23a95359b7fa18b4a3f72a18f86
--- /dev/null
+++ b/test/cases/compile_errors/for_loop_break_value_ignored.zig
@@ -0,0 +1,15 @@
+fn returns() usize {
+    return 2;
+}
+
+export fn f1() void {
+    for ("hello") |_| {
+        break returns();
+    }
+}
+
+// error
+// backend=stage2
+// target=native
+//
+// :6:5: error: incompatible types: 'usize' and 'void'
diff --git a/test/cases/compile_errors/while_loop_break_value_ignored.zig b/test/cases/compile_errors/while_loop_break_value_ignored.zig
new file mode 100644
index 0000000000000000000000000000000000000000..2d14693fe5fdaf9acd90921bf458076b538b80fb
--- /dev/null
+++ b/test/cases/compile_errors/while_loop_break_value_ignored.zig
@@ -0,0 +1,26 @@
+fn returns() usize {
+    return 2;
+}
+
+export fn f1() void {
+    var a: bool = true;
+    while (a) {
+        break returns();
+    }
+}
+
+export fn f2() void {
+    var x: bool = true;
+    outer: while (x) {
+        while (x) {
+            break :outer returns();
+        }
+    }
+}
+
+// error
+// backend=stage2
+// target=native
+//
+// :7:5: error: incompatible types: 'usize' and 'void'
+// :14:12: error: incompatible types: 'usize' and 'void'