From fd09b305380bebfdc2b47c8d58e29f790bb64d1a Mon Sep 17 00:00:00 2001
From: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
Date: Mon, 4 Jul 2022 06:03:31 -0700
Subject: [sourcemaps] Add an assertion

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

(limited to 'src/sourcemap/sourcemap.zig')

diff --git a/src/sourcemap/sourcemap.zig b/src/sourcemap/sourcemap.zig
index 22a916940..92bd6189c 100644
--- a/src/sourcemap/sourcemap.zig
+++ b/src/sourcemap/sourcemap.zig
@@ -645,7 +645,11 @@ pub const LineOffsetTable = struct {
             }
 
             if (c > 0x7F and columns_for_non_ascii.items.len == 0) {
-
+                std.debug.assert(@ptrToInt(
+                    remaining.ptr,
+                ) > @ptrToInt(
+                    contents.ptr,
+                ));
                 // we have a non-ASCII character, so we need to keep track of the
                 // mapping from byte offsets to UTF-16 code unit counts
                 columns_for_non_ascii.appendAssumeCapacity(column);
-- 
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