From 21bf3b80666c14c9b2a2e1ec984a6b4bb23a5bb7 Mon Sep 17 00:00:00 2001
From: Robin Voetter <robin@voetter.nl>
Date: Tue, 26 Oct 2021 00:51:46 +0200
Subject: stage2: runtime c pointer null comparison

---
 src/type.zig | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/type.zig')

diff --git a/src/type.zig b/src/type.zig
index e77780d9ca..7ac235e68e 100644
--- a/src/type.zig
+++ b/src/type.zig
@@ -2347,11 +2347,13 @@ pub const Type = extern union {
         }
     }
 
-    /// Asserts that the type is an optional
+    /// Asserts that the type is an optional or a pointer that can be null.
     pub fn isPtrLikeOptional(self: Type) bool {
         switch (self.tag()) {
             .optional_single_const_pointer,
             .optional_single_mut_pointer,
+            .c_const_pointer,
+            .c_mut_pointer,
             => return true,
 
             .optional => {
@@ -2367,6 +2369,8 @@ pub const Type = extern union {
                     .Many, .One => return !info.@"allowzero",
                 }
             },
+
+            .pointer => return self.castTag(.pointer).?.data.size == .C,
             else => unreachable,
         }
     }
-- 
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