From 9db5b2c5c6a3406e856cc024009ba8cf79f0b942 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Wed, 28 Apr 2021 15:02:52 -0700
Subject: [PATCH] AstGen: function prototypes can have alignment

---
 src/AstGen.zig | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/AstGen.zig b/src/AstGen.zig
index ba17a404d4..bc94431d2e 100644
--- a/src/AstGen.zig
+++ b/src/AstGen.zig
@@ -1041,7 +1041,9 @@ pub fn fnProtoExpr(
         assert(param_type_i == param_count);
     }
 
-    assert(fn_proto.ast.align_expr == 0); // caught by the parser
+    if (fn_proto.ast.align_expr != 0) {
+        return astgen.failNode(fn_proto.ast.align_expr, "TODO: AstGen: implement function prototypes with alignment expressions", .{});
+    }
     assert(fn_proto.ast.section_expr == 0); // caught by the parser
 
     const maybe_bang = tree.firstToken(fn_proto.ast.return_type) - 1;