From bee7db77fe65802a41f2812caac4faa7dcb8acd3 Mon Sep 17 00:00:00 2001
From: LemonBoy <thatlemon@gmail.com>
Date: Mon, 1 Mar 2021 20:06:30 +0100
Subject: [PATCH] std: Replace lastIndexOf with lastIndexOfScalar

This may work around the miscompilation in LLVM 12.
---
 lib/std/fs/path.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/std/fs/path.zig b/lib/std/fs/path.zig
index f6ee9122a1..776cb4040c 100644
--- a/lib/std/fs/path.zig
+++ b/lib/std/fs/path.zig
@@ -1226,7 +1226,7 @@ fn testRelativeWindows(from: []const u8, to: []const u8, expected_output: []cons
 /// pointer address range of `path`, even if it is length zero.
 pub fn extension(path: []const u8) []const u8 {
     const filename = basename(path);
-    const index = mem.lastIndexOf(u8, filename, ".") orelse return path[path.len..];
+    const index = mem.lastIndexOfScalar(u8, filename, '.') orelse return path[path.len..];
     if (index == 0) return path[path.len..];
     return filename[index..];
 }