diff --git a/flang/lib/Semantics/resolve-names.cpp b/flang/lib/Semantics/resolve-names.cpp --- a/flang/lib/Semantics/resolve-names.cpp +++ b/flang/lib/Semantics/resolve-names.cpp @@ -4418,7 +4418,6 @@ spec->AddRawParamValue(optKeyword, std::move(param)); } } - // The DerivedTypeSpec *spec is used initially as a search key. // If it turns out to have the same name and actual parameter // value expressions as another DerivedTypeSpec in the current @@ -6645,7 +6644,8 @@ MakePlaceholder(component, miscKind); return &component; } - } else if (const DerivedTypeSpec * derived{type->AsDerived()}) { + } else if (DerivedTypeSpec * derived{type->AsDerived()}) { + derived->Instantiate(currScope()); // in case of forward referenced type if (const Scope * scope{derived->scope()}) { if (Resolve(component, scope->FindComponent(component.source))) { if (auto msg{ diff --git a/flang/test/Semantics/symbol21.f90 b/flang/test/Semantics/symbol21.f90 new file mode 100644 --- /dev/null +++ b/flang/test/Semantics/symbol21.f90 @@ -0,0 +1,30 @@ +! RUN: %python %S/test_symbols.py %s %flang_fc1 +! Derived type forward reference regression case + + !DEF: /MainProgram1/t2 DerivedType + type :: t2 + !DEF: /MainProgram1/t1 DerivedType + !DEF: /MainProgram1/t2/ptr POINTER ObjectEntity TYPE(t1) + type(t1), pointer :: ptr + end type + !REF: /MainProgram1/t1 + type :: t1 + !DEF: /MainProgram1/t1/a ObjectEntity REAL(4) + real :: a + !REF: /MainProgram1/t2 + !DEF: /MainProgram1/t1/p2 POINTER ObjectEntity TYPE(t2) + type(t2), pointer :: p2 + !REF: /MainProgram1/t1 + !DEF: /MainProgram1/t1/p1 POINTER ObjectEntity TYPE(t1) + type(t1), pointer :: p1 + end type + !REF: /MainProgram1/t1 + !DEF: /MainProgram1/x1 POINTER ObjectEntity TYPE(t1) + !DEF: /MainProgram1/x2 POINTER ObjectEntity TYPE(t1) + type(t1), pointer :: x1, x2 + !REF: /MainProgram1/x2 + !REF: /MainProgram1/t1/p1 + !REF: /MainProgram1/t1/a + !REF: /MainProgram1/x1 + x2%p1%a = x1%a +end program