llvm: use alignment of ABI return type when it differs from raw return type

This would previously cause miscompilations when the ABI type had
bigger alignment than the raw type.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig
index afafda36a6..0da0ef18e2 100644
--- a/src/codegen/llvm.zig
+++ b/src/codegen/llvm.zig
@@ -4876,7 +4876,7 @@ pub const FuncGen = struct {
             // In this case the function return type is honoring the calling convention by having
             // a different LLVM type than the usual one. We solve this here at the callsite
             // by bitcasting a pointer to our canonical type, then loading it if necessary.
-            const alignment = return_type.abiAlignment(target);
+            const alignment = self.dg.object.target_data.abiAlignmentOfType(abi_ret_ty);
             const rp = self.buildAlloca(llvm_ret_ty, alignment);
             const ptr_abi_ty = abi_ret_ty.pointerType(0);
             const casted_ptr = self.builder.buildBitCast(rp, ptr_abi_ty, "");