https://gcc.gnu.org/g:a163db5bc475a5ce6877f332b870613dd390ea09

commit a163db5bc475a5ce6877f332b870613dd390ea09
Author: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>
Date:   Wed Nov 20 13:19:15 2024 +0100

    Use default constructor for default arguments
    
    GCC 4.8 complains about the initializer list.
    
    gcc/rust/ChangeLog:
    
            * typecheck/rust-tyty.h: Change initializer list to default 
constructor
            call.
    
    Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>

Diff:
---
 gcc/rust/typecheck/rust-tyty.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/rust/typecheck/rust-tyty.h b/gcc/rust/typecheck/rust-tyty.h
index 167d425840e6..de806a2c9bee 100644
--- a/gcc/rust/typecheck/rust-tyty.h
+++ b/gcc/rust/typecheck/rust-tyty.h
@@ -657,7 +657,7 @@ public:
           std::vector<SubstitutionParamMapping> subst_refs,
           SubstitutionArgumentMappings generic_arguments
           = SubstitutionArgumentMappings::error (),
-          RegionConstraints region_constraints = {},
+          RegionConstraints region_constraints = RegionConstraints{},
           std::set<HirId> refs = std::set<HirId> ())
     : BaseType (ref, ref, TypeKind::ADT, ident, refs),
       SubstitutionRef (std::move (subst_refs), std::move (generic_arguments),
@@ -670,7 +670,7 @@ public:
           std::vector<SubstitutionParamMapping> subst_refs,
           SubstitutionArgumentMappings generic_arguments
           = SubstitutionArgumentMappings::error (),
-          RegionConstraints region_constraints = {},
+          RegionConstraints region_constraints = RegionConstraints{},
           std::set<HirId> refs = std::set<HirId> ())
     : BaseType (ref, ty_ref, TypeKind::ADT, ident, refs),
       SubstitutionRef (std::move (subst_refs), std::move (generic_arguments),
@@ -683,7 +683,7 @@ public:
           std::vector<SubstitutionParamMapping> subst_refs, ReprOptions repr,
           SubstitutionArgumentMappings generic_arguments
           = SubstitutionArgumentMappings::error (),
-          RegionConstraints region_constraints = {},
+          RegionConstraints region_constraints = RegionConstraints{},
           std::set<HirId> refs = std::set<HirId> ())
     : BaseType (ref, ty_ref, TypeKind::ADT, ident, refs),
       SubstitutionRef (std::move (subst_refs), std::move (generic_arguments),

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