gccrs: Replace value initialization of Location with UNDEF_LOCATION

gcc/rust/ChangeLog:

	* rust-location.h (UNDEF_LOCATION): New.
	* ast/rust-ast-collector.cc: Replace Location () with UNDEF_LOCATION.
	* ast/rust-ast-fragment.cc: Likewise.
	* ast/rust-ast.h: Likewise.
	* ast/rust-expr.h: Likewise.
	* ast/rust-item.h: Likewise.
	* ast/rust-macro.h: Likewise.
	* ast/rust-path.h: Likewise.
	* ast/rust-type.h: Likewise.
	* backend/rust-compile-expr.cc: Likewise.
	* backend/rust-compile-extern.h: Likewise.
	* backend/rust-compile-implitem.h: Likewise.
	* backend/rust-compile-intrinsic.cc: Likewise.
	* backend/rust-compile-item.h: Likewise.
	* backend/rust-compile.cc: Likewise.
	* backend/rust-constexpr.cc: Likewise.
	* expand/rust-expand-visitor.cc: Likewise.
	* expand/rust-macro-expand.cc: Likewise.
	* expand/rust-macro-expand.h: Likewise.
	* expand/rust-macro-invoc-lexer.cc: Likewise.
	* expand/rust-proc-macro-invoc-lexer.cc: Likewise.
	* expand/rust-proc-macro.cc: Likewise.
	* hir/tree/rust-hir-expr.h: Likewise.
	* hir/tree/rust-hir-item.h: Likewise.
	* hir/tree/rust-hir-path.h: Likewise.
	* hir/tree/rust-hir-type.h: Likewise.
	* hir/tree/rust-hir.h: Likewise.
	* lex/rust-lex.cc: Likewise.
	* metadata/rust-export-metadata.cc: Likewise.
	* parse/rust-parse-impl.h: Likewise.
	* resolve/rust-ast-resolve-item.cc: Likewise.
	* resolve/rust-ast-resolve.cc: Likewise.
	* rust-diagnostics.h: Likewise.
	* rust-session-manager.cc: Likewise.
	* typecheck/rust-autoderef.cc: Likewise.
	* typecheck/rust-coercion.cc: Likewise.
	* typecheck/rust-hir-dot-operator.cc: Likewise.
	* typecheck/rust-hir-path-probe.cc: Likewise.
	* typecheck/rust-hir-trait-reference.cc: Likewise.
	* typecheck/rust-hir-trait-reference.h: Likewise.
	* typecheck/rust-hir-type-check-expr.cc: Likewise.
	* typecheck/rust-hir-type-check-implitem.cc: Likewise.
	* typecheck/rust-hir-type-check-type.cc: Likewise.
	* typecheck/rust-hir-type-check.cc: Likewise.
	* typecheck/rust-tyty-bounds.cc: Likewise.
	* typecheck/rust-tyty-subst.cc: Likewise.
	* typecheck/rust-tyty.cc: Likewise.
	* util/rust-hir-map.cc: Likewise.

Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>

5 files changed, 13 insertions, 13 deletions

diff --git a/gcc/rust/hir/tree/rust-hir-expr.h b/gcc/rust/hir/tree/rust-hir-expr.h
index 7dc7735..98d71dd 100644
--- a/gcc/rust/hir/tree/rust-hir-expr.h
+++ b/gcc/rust/hir/tree/rust-hir-expr.h
@@ -3582,7 +3582,7 @@ public:
   // Creates a match arm in an error state.
   static MatchArm create_error ()
   {
-    Location locus = Location ();
+    Location locus = UNDEF_LOCATION;
     return MatchArm (std::vector<std::unique_ptr<Pattern> > (), locus);
   }
 
diff --git a/gcc/rust/hir/tree/rust-hir-item.h b/gcc/rust/hir/tree/rust-hir-item.h
index 0d5a319..b361190 100644
--- a/gcc/rust/hir/tree/rust-hir-item.h
+++ b/gcc/rust/hir/tree/rust-hir-item.h
@@ -62,7 +62,7 @@ public:
   AST::Attribute &get_outer_attribute () { return outer_attr; }
 
   TypeParam (Analysis::NodeMapping mappings, Identifier type_representation,
-	     Location locus = Location (),
+	     Location locus = UNDEF_LOCATION,
 	     std::vector<std::unique_ptr<TypeParamBound>> type_param_bounds
 	     = std::vector<std::unique_ptr<TypeParamBound>> (),
 	     std::unique_ptr<Type> type = nullptr,
@@ -581,7 +581,7 @@ private:
 public:
   Visibility (VisType vis_type,
 	      HIR::SimplePath path = HIR::SimplePath::create_empty (),
-	      Location locus = Location ())
+	      Location locus = UNDEF_LOCATION)
     : vis_type (vis_type), path (std::move (path)), locus (locus)
   {}
 
diff --git a/gcc/rust/hir/tree/rust-hir-path.h b/gcc/rust/hir/tree/rust-hir-path.h
index b005e71..35dbcd6 100644
--- a/gcc/rust/hir/tree/rust-hir-path.h
+++ b/gcc/rust/hir/tree/rust-hir-path.h
@@ -76,7 +76,7 @@ public:
 
   // Pointer type for type in constructor to enable polymorphism
   GenericArgsBinding (Identifier ident, std::unique_ptr<Type> type_ptr,
-		      Location locus = Location ())
+		      Location locus = UNDEF_LOCATION)
     : identifier (std::move (ident)), type (std::move (type_ptr)), locus (locus)
   {}
 
@@ -202,7 +202,7 @@ public:
   GenericArgs &operator= (GenericArgs &&other) = default;
 
   // Creates an empty GenericArgs (no arguments)
-  static GenericArgs create_empty (Location locus = Location ())
+  static GenericArgs create_empty (Location locus = UNDEF_LOCATION)
   {
     return GenericArgs ({}, {}, {}, {}, locus);
   }
@@ -340,7 +340,7 @@ public:
   // Constructor
   PathInExpression (Analysis::NodeMapping mappings,
 		    std::vector<PathExprSegment> path_segments,
-		    Location locus = Location (),
+		    Location locus = UNDEF_LOCATION,
 		    bool has_opening_scope_resolution = false,
 		    std::vector<AST::Attribute> outer_attrs
 		    = std::vector<AST::Attribute> ())
@@ -694,7 +694,7 @@ public:
   {
     return TypePath (Analysis::NodeMapping::get_error (),
 		     std::vector<std::unique_ptr<TypePathSegment> > (),
-		     Location ());
+		     UNDEF_LOCATION);
   }
 
   // Constructor
@@ -856,7 +856,7 @@ public:
   QualifiedPathInExpression (Analysis::NodeMapping mappings,
 			     QualifiedPathType qual_path_type,
 			     std::vector<PathExprSegment> path_segments,
-			     Location locus = Location (),
+			     Location locus = UNDEF_LOCATION,
 			     std::vector<AST::Attribute> outer_attrs
 			     = std::vector<AST::Attribute> ())
     : PathPattern (std::move (path_segments)),
@@ -923,7 +923,7 @@ public:
     Analysis::NodeMapping mappings, QualifiedPathType qual_path_type,
     std::unique_ptr<TypePathSegment> associated_segment,
     std::vector<std::unique_ptr<TypePathSegment> > path_segments,
-    Location locus = Location ())
+    Location locus = UNDEF_LOCATION)
     : TypeNoBounds (mappings, locus), path_type (std::move (qual_path_type)),
       associated_segment (std::move (associated_segment)),
       segments (std::move (path_segments))
@@ -1005,7 +1005,7 @@ public:
   static HIR::SimplePath create_empty ()
   {
     return HIR::SimplePath ({}, Analysis::NodeMapping::get_error (),
-			    Location ());
+			    UNDEF_LOCATION);
   }
 
   bool is_error () const { return segments.empty (); }
diff --git a/gcc/rust/hir/tree/rust-hir-type.h b/gcc/rust/hir/tree/rust-hir-type.h
index 71f4cd2..3d1f8de 100644
--- a/gcc/rust/hir/tree/rust-hir-type.h
+++ b/gcc/rust/hir/tree/rust-hir-type.h
@@ -737,7 +737,7 @@ public:
   // Creates an error state param.
   static MaybeNamedParam create_error ()
   {
-    return MaybeNamedParam ({""}, UNNAMED, nullptr, Location ());
+    return MaybeNamedParam ({""}, UNNAMED, nullptr, UNDEF_LOCATION);
   }
 
   Location get_locus () const { return locus; }
diff --git a/gcc/rust/hir/tree/rust-hir.h b/gcc/rust/hir/tree/rust-hir.h
index 0c77572..4e00385 100644
--- a/gcc/rust/hir/tree/rust-hir.h
+++ b/gcc/rust/hir/tree/rust-hir.h
@@ -565,7 +565,7 @@ public:
   static Lifetime error ()
   {
     return Lifetime (Analysis::NodeMapping::get_error (),
-		     AST::Lifetime::LifetimeType::NAMED, "", Location ());
+		     AST::Lifetime::LifetimeType::NAMED, "", UNDEF_LOCATION);
   }
 
   std::string as_string () const override;
@@ -670,7 +670,7 @@ public:
 
   // Constructor
   LifetimeParam (Analysis::NodeMapping mappings, Lifetime lifetime,
-		 Location locus = Location (),
+		 Location locus = UNDEF_LOCATION,
 		 std::vector<Lifetime> lifetime_bounds
 		 = std::vector<Lifetime> (),
 		 AST::Attribute outer_attr = AST::Attribute::create_empty ())