Prepare struct_gep for opaque pointers

Imlement struct_gep using LLVMBuildStructGEP2 which takes an explicit
type argument instead of deriving it from a pointer type.

1 files changed, 1 insertions, 1 deletions

diff --git a/compiler/rustc_codegen_ssa/src/traits/builder.rs b/compiler/rustc_codegen_ssa/src/traits/builder.rs
index f0c232a97bc..6c3f52b1b19 100644
--- a/compiler/rustc_codegen_ssa/src/traits/builder.rs
+++ b/compiler/rustc_codegen_ssa/src/traits/builder.rs
@@ -178,7 +178,7 @@ pub trait BuilderMethods<'a, 'tcx>:
 
     fn gep(&mut self, ptr: Self::Value, indices: &[Self::Value]) -> Self::Value;
     fn inbounds_gep(&mut self, ptr: Self::Value, indices: &[Self::Value]) -> Self::Value;
-    fn struct_gep(&mut self, ptr: Self::Value, idx: u64) -> Self::Value;
+    fn struct_gep(&mut self, ty: Self::Type, ptr: Self::Value, idx: u64) -> Self::Value;
 
     fn trunc(&mut self, val: Self::Value, dest_ty: Self::Type) -> Self::Value;
     fn sext(&mut self, val: Self::Value, dest_ty: Self::Type) -> Self::Value;