From 1f3eeb5443ada8dbe9226f1bcc5322fd89c20d3e Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Sun, 19 Apr 2020 03:29:07 -0400
Subject: [PATCH] ir: parse type noreturn

---
 src-self-hosted/ir.zig   | 2 ++
 src-self-hosted/type.zig | 1 +
 2 files changed, 3 insertions(+)

diff --git a/src-self-hosted/ir.zig b/src-self-hosted/ir.zig
index 28e059e6c..b8b3cb2dc 100644
--- a/src-self-hosted/ir.zig
+++ b/src-self-hosted/ir.zig
@@ -237,6 +237,8 @@ fn parseOptionalType(ctx: *ParseContext) !?Type {
         const type_text = mem.trim(u8, type_text_untrimmed, " \n");
         if (mem.eql(u8, type_text, "usize")) {
             return Type.initTag(.int_usize);
+        } else if (mem.eql(u8, type_text, "noreturn")) {
+            return Type.initTag(.no_return);
         } else {
             return parseError(ctx, "TODO parse type '{}'", .{type_text});
         }
diff --git a/src-self-hosted/type.zig b/src-self-hosted/type.zig
index d3e561a0d..d7093a02f 100644
--- a/src-self-hosted/type.zig
+++ b/src-self-hosted/type.zig
@@ -75,6 +75,7 @@ pub const Type = extern union {
     /// See `zigTypeTag` for the function that corresponds to `std.builtin.TypeId`.
     pub const Tag = enum {
         // The first section of this enum are tags that require no payload.
+        no_return,
         int_comptime,
         int_u8,
         int_usize,