1 files changed, 197 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_gcc/src/errors.rs b/compiler/rustc_codegen_gcc/src/errors.rs
index 938c0a74af3..a70ebf62da3 100644
--- a/compiler/rustc_codegen_gcc/src/errors.rs
+++ b/compiler/rustc_codegen_gcc/src/errors.rs
@@ -1,6 +1,7 @@
 use rustc_errors::{DiagnosticArgValue, IntoDiagnosticArg};
 use rustc_macros::SessionDiagnostic;
-use rustc_span::Span;
+use rustc_middle::ty::Ty;
+use rustc_span::{Span, Symbol};
 use std::borrow::Cow;
 
 struct ExitCode {
@@ -30,6 +31,201 @@ impl RanlibFailure {
 }
 
 #[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_basic_integer, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationBasicInteger<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub ty: Ty<'a>,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_invalid_float_vector, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationInvalidFloatVector<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub elem_ty: &'a str,
+    pub vec_ty: Ty<'a>,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_not_float, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationNotFloat<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub ty: Ty<'a>,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_unrecognized, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationUnrecognized {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_expected_signed_unsigned, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationExpectedSignedUnsigned<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub elem_ty: Ty<'a>,
+    pub vec_ty: Ty<'a>,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_unsupported_element, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationUnsupportedElement<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub in_ty: Ty<'a>,
+    pub elem_ty: Ty<'a>,
+    pub ret_ty: Ty<'a>,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_invalid_bitmask, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationInvalidBitmask<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub ty: Ty<'a>,
+    pub expected_int_bits: u64,
+    pub expected_bytes: u64,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_simd_shuffle, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationSimdShuffle<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub ty: Ty<'a>,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_expected_simd, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationExpectedSimd<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub position: &'a str,
+    pub found_ty: Ty<'a>,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_mask_type, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationMaskType<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub ty: Ty<'a>,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_return_length, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationReturnLength<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub in_len: u64,
+    pub ret_ty: Ty<'a>,
+    pub out_len: u64,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_return_length_input_type, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationReturnLengthInputType<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub in_len: u64,
+    pub in_ty: Ty<'a>,
+    pub ret_ty: Ty<'a>,
+    pub out_len: u64,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_return_element, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationReturnElement<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub in_elem: Ty<'a>,
+    pub in_ty: Ty<'a>,
+    pub ret_ty: Ty<'a>,
+    pub out_ty: Ty<'a>,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_return_type, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationReturnType<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub in_elem: Ty<'a>,
+    pub in_ty: Ty<'a>,
+    pub ret_ty: Ty<'a>,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_inserted_type, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationInsertedType<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub in_elem: Ty<'a>,
+    pub in_ty: Ty<'a>,
+    pub out_ty: Ty<'a>,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_return_integer_type, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationReturnIntegerType<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub ret_ty: Ty<'a>,
+    pub out_ty: Ty<'a>,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_mismatched_lengths, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationMismatchedLengths {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub m_len: u64,
+    pub v_len: u64,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_unsupported_cast, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationUnsupportedCast<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub in_ty: Ty<'a>,
+    pub in_elem: Ty<'a>,
+    pub ret_ty: Ty<'a>,
+    pub out_elem: Ty<'a>,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(codegen_gcc::invalid_monomorphization_unsupported_operation, code = "E0511")]
+pub(crate) struct InvalidMonomorphizationUnsupportedOperation<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+    pub in_ty: Ty<'a>,
+    pub in_elem: Ty<'a>,
+}
+
+#[derive(SessionDiagnostic)]
 #[diag(codegen_gcc::layout_size_overflow)]
 pub(crate) struct LayoutSizeOverflow {
     #[primary_span]