From 0db108101a30a2ac5ec4dc9911d488f9036256b8 Mon Sep 17 00:00:00 2001
From: Lachlan Easton <lachlan@lakebythewoods.xyz>
Date: Mon, 9 Mar 2020 18:10:41 +1100
Subject: [PATCH] Translate C: Add comment containing c source location for
 failed decls

---
 src-self-hosted/translate_c.zig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src-self-hosted/translate_c.zig b/src-self-hosted/translate_c.zig
index 41e4665ffe..ffb76c60b7 100644
--- a/src-self-hosted/translate_c.zig
+++ b/src-self-hosted/translate_c.zig
@@ -4687,6 +4687,7 @@ pub fn failDecl(c: *Context, loc: ZigClangSourceLocation, name: []const u8, comp
     const msg_tok = try appendTokenFmt(c, .StringLiteral, "\"" ++ format ++ "\"", args);
     const rparen_tok = try appendToken(c, .RParen, ")");
     const semi_tok = try appendToken(c, .Semicolon, ";");
+    _ = try appendTokenFmt(c, .LineComment, "// {}", .{c.locStr(loc)});
 
     const msg_node = try c.a().create(ast.Node.StringLiteral);
     msg_node.* = ast.Node.StringLiteral{