[gccrs COMMIT 1/2] gccrs: remove useless diagnostic

[gerris.rs@gmail.com]

From: Philip Herron <herron.philip@googlemail.com>

gcc/rust/ChangeLog:

	* typecheck/rust-hir-type-check-item.cc (TypeCheckItem::visit): remove error_at

gcc/testsuite/ChangeLog:

	* rust/compile/issue-2479.rs: update test

Signed-off-by: Philip Herron <herron.philip@googlemail.com>
---
This change was merged into the gccrs repository and is posted here for
upstream visibility and potential drive-by review, as requested by GCC
release managers.
Each commit email contains a link to its details on github from where you can
find the Pull-Request and associated discussions.


Commit on github: https://github.com/Rust-GCC/gccrs/commit/6f9aa791d1417e75e3bb321fc764970c1b44bd25

The commit has NOT been mentioned in any issue.

The commit has been mentioned in the following pull-request(s):
 - https://github.com/Rust-GCC/gccrs/pull/4607

 gcc/rust/typecheck/rust-hir-type-check-item.cc | 6 +-----
 gcc/testsuite/rust/compile/issue-2479.rs       | 1 -
 2 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/gcc/rust/typecheck/rust-hir-type-check-item.cc b/gcc/rust/typecheck/rust-hir-type-check-item.cc
index 1299e29b0..d8f2b8754 100644
--- a/gcc/rust/typecheck/rust-hir-type-check-item.cc
+++ b/gcc/rust/typecheck/rust-hir-type-check-item.cc
@@ -723,11 +723,7 @@ TypeCheckItem::visit (HIR::Function &function)
     {
       auto resolved = TypeCheckType::Resolve (function.get_return_type ());
       if (resolved->get_kind () == TyTy::TypeKind::ERROR)
-	{
-	  rust_error_at (function.get_locus (),
-			 "failed to resolve return type");
-	  return;
-	}
+	return;
 
       ret_type = resolved->clone ();
       ret_type->set_ref (
diff --git a/gcc/testsuite/rust/compile/issue-2479.rs b/gcc/testsuite/rust/compile/issue-2479.rs
index 8536228ee..b835a87d8 100644
--- a/gcc/testsuite/rust/compile/issue-2479.rs
+++ b/gcc/testsuite/rust/compile/issue-2479.rs
@@ -9,7 +9,6 @@ enum Dragon {
 
 fn oblivion() -> Dragon::Born {
 // { dg-error "expected type, found variant of .Dragon::Born." "" { target *-*-* } .-1 }
-// { dg-error "failed to resolve return type" "" { target *-*-* } .-2 }
     Dragon::Born
 }
 

base-commit: 1756c79853e5c399ed6704fc8a439d0951622e53
-- 
2.54.0