[flang-commits] [PATCH] D159030: [flang] Don't implicitly host-associate unknown EQUIVALENCE designators
Peter Klausler via Phabricator via flang-commits
flang-commits at lists.llvm.org
Tue Aug 29 08:33:54 PDT 2023
This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG4d32f9ad0eb7: [flang] Don't implicitly host-associate unknown EQUIVALENCE designators (authored by klausler).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D159030/new/
https://reviews.llvm.org/D159030
Files:
flang/lib/Semantics/resolve-names.cpp
flang/test/Semantics/offsets03.f90
Index: flang/test/Semantics/offsets03.f90
===================================================================
--- flang/test/Semantics/offsets03.f90
+++ flang/test/Semantics/offsets03.f90
@@ -29,7 +29,7 @@
! Common block: objects are in order from COMMON statement and not part of module
module md !CHECK: Module scope: md size=1 alignment=1
- integer(1) :: i
+ integer(1) :: i
integer(2) :: d1 !CHECK: d1, PUBLIC size=2 offset=8:
integer(4) :: d2 !CHECK: d2, PUBLIC size=4 offset=4:
integer(1) :: d3 !CHECK: d3, PUBLIC size=1 offset=0:
@@ -65,3 +65,13 @@
equivalence(a1,a3(1)),(a2,a3(2))
common /common8/ a1, a2 ! CHECK: common8 size=8 offset=0: CommonBlockDetails alignment=4:
end
+
+! Ensure EQUIVALENCE of undeclared names in internal subprogram doesn't
+! attempt to host-associate
+subroutine host1
+ contains
+ subroutine internal
+ common /b/ x(4) ! CHECK: x (Implicit) size=16 offset=0: ObjectEntity type: REAL(4) shape: 1_8:4_8
+ equivalence(x,y) ! CHECK: y (Implicit) size=4 offset=0: ObjectEntity type: REAL(4)
+ end
+end
Index: flang/lib/Semantics/resolve-names.cpp
===================================================================
--- flang/lib/Semantics/resolve-names.cpp
+++ flang/lib/Semantics/resolve-names.cpp
@@ -7277,7 +7277,7 @@
// be wrong we report an error later in CheckDeclarations().
bool DeclarationVisitor::CheckForHostAssociatedImplicit(
const parser::Name &name) {
- if (!inSpecificationPart_) {
+ if (!inSpecificationPart_ || inEquivalenceStmt_) {
return false;
}
if (name.symbol) {
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