From cfa247e53b15377330f34817333f24cc494b8f60 Mon Sep 17 00:00:00 2001
From: Jacob Young <jacobly0@users.noreply.github.com>
Date: Tue, 17 Oct 2023 01:13:55 -0400
Subject: [PATCH] x86_64: fix C abi argument passing in memory

---
 src/arch/x86_64/CodeGen.zig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/arch/x86_64/CodeGen.zig b/src/arch/x86_64/CodeGen.zig
index a7809559e7..2b13689765 100644
--- a/src/arch/x86_64/CodeGen.zig
+++ b/src/arch/x86_64/CodeGen.zig
@@ -13755,7 +13755,8 @@ fn resolveCallingConventionValues(
                 }
 
                 const param_size: u31 = @intCast(ty.abiSize(mod));
-                const param_align: u31 = @intCast(ty.abiAlignment(mod).toByteUnitsOptional().?);
+                const param_align: u31 =
+                    @intCast(@max(ty.abiAlignment(mod).toByteUnitsOptional().?, 8));
                 result.stack_byte_count =
                     mem.alignForward(u31, result.stack_byte_count, param_align);
                 arg.* = .{ .load_frame = .{