From ed2e4a7f138322dcf5c76138586971e228c0c3c9 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Tue, 16 Nov 2021 12:50:57 -0700
Subject: disable LTO by default on Windows when linking libc++

See #8531
---
 src/Compilation.zig | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/Compilation.zig')

diff --git a/src/Compilation.zig b/src/Compilation.zig
index 4fbf9933cd..7478d27ad4 100644
--- a/src/Compilation.zig
+++ b/src/Compilation.zig
@@ -982,6 +982,9 @@ pub fn create(gpa: *Allocator, options: InitOptions) !*Compilation {
                 break :blk false;
             } else if (options.c_source_files.len == 0) {
                 break :blk false;
+            } else if (options.target.os.tag == .windows and link_libcpp) {
+                // https://github.com/ziglang/zig/issues/8531
+                break :blk false;
             } else switch (options.output_mode) {
                 .Lib, .Obj => break :blk false,
                 .Exe => switch (options.optimize_mode) {
-- 
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