1 files changed, 8 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_gcc/src/errors.rs b/compiler/rustc_codegen_gcc/src/errors.rs
index 1b2953952ef..490a209ead0 100644
--- a/compiler/rustc_codegen_gcc/src/errors.rs
+++ b/compiler/rustc_codegen_gcc/src/errors.rs
@@ -8,6 +8,14 @@ pub(crate) struct RanlibFailure {
 }
 
 #[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::layout_size_overflow)]
+pub(crate) struct LayoutSizeOverflow {
+    #[primary_span]
+    pub span: Span,
+    pub error: String,
+}
+
+#[derive(SessionDiagnostic)]
 #[diag(codegen_gcc::linkage_const_or_mut_type)]
 pub(crate) struct LinkageConstOrMutType {
     #[primary_span]