From 456d7e5f5f5aa09b3b50ebf1398d79503846a801 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Fri, 1 Oct 2021 11:40:06 -0700
Subject: [PATCH] libcxx: update to compile with -std=c++20

This is required to successfully build libc++.
---
 src/libcxx.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libcxx.zig b/src/libcxx.zig
index faebca0922..3b4f4d3d32 100644
--- a/src/libcxx.zig
+++ b/src/libcxx.zig
@@ -158,7 +158,7 @@ pub fn buildLibCXX(comp: *Compilation) !void {
             try cflags.append("-fPIC");
         }
         try cflags.append("-nostdinc++");
-        try cflags.append("-std=c++14");
+        try cflags.append("-std=c++20");
         try cflags.append("-Wno-user-defined-literals");
 
         c_source_files.appendAssumeCapacity(.{