From 4e1aa5d54377aa2b8d1395d666efb6eb935b7917 Mon Sep 17 00:00:00 2001
From: Veikka Tuominen <git@vexu.eu>
Date: Fri, 3 Jun 2022 15:25:53 +0300
Subject: [PATCH] Sema: handle the_only_possible_value in
 beginComptimePtrMutation

---
 src/Sema.zig | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/Sema.zig b/src/Sema.zig
index 074a102c95..05ce2adb77 100644
--- a/src/Sema.zig
+++ b/src/Sema.zig
@@ -20405,6 +20405,16 @@ fn beginComptimePtrMutation(
                             .ty = elem_ty,
                         },
 
+                        .the_only_possible_value => {
+                            const duped = try sema.arena.create(Value);
+                            duped.* = Value.initTag(.the_only_possible_value);
+                            return ComptimePtrMutationKit{
+                                .decl_ref_mut = parent.decl_ref_mut,
+                                .val = duped,
+                                .ty = elem_ty,
+                            };
+                        },
+
                         else => unreachable,
                     }
                 },