[PATCH] D117153: [flang] Downgrade benign error message to a warning

[Peter Klausler via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG0f500d3dae70: [flang] Downgrade benign error message to a warning (authored by klausler).
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Changed prior to commit:
  https://reviews.llvm.org/D117153?vs=399453&id=399829#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D117153/new/

https://reviews.llvm.org/D117153

Files:
  flang/docs/Extensions.md
  flang/lib/Semantics/resolve-names.cpp
  flang/test/Semantics/resolve107.f90
  flang/test/Semantics/resolve45.f90


Index: flang/test/Semantics/resolve45.f90
===================================================================
--- flang/test/Semantics/resolve45.f90
+++ flang/test/Semantics/resolve45.f90
@@ -53,17 +53,6 @@
   end block
 end
 
-subroutine s6
-  save x
-  save y
-  !ERROR: SAVE attribute was already specified on 'y'
-  integer, save :: y
-  integer, save :: z
-  !ERROR: SAVE attribute was already specified on 'x'
-  !ERROR: SAVE attribute was already specified on 'z'
-  save x,z
-end
-
 subroutine s7
   !ERROR: 'x' appears as a COMMON block in a SAVE statement but not in a COMMON statement
   save /x/
Index: flang/test/Semantics/resolve107.f90
===================================================================
--- /dev/null
+++ flang/test/Semantics/resolve107.f90
@@ -0,0 +1,13 @@
+! RUN: %flang_fc1 -fsyntax-only %s 2>&1 | FileCheck %s
+! Check warning on multiple SAVE attribute specifications
+subroutine saves
+  save x
+  save y
+  !CHECK: SAVE attribute was already specified on 'y'
+  integer, save :: y
+  integer, save :: z
+  !CHECK: SAVE attribute was already specified on 'x'
+  !CHECK: SAVE attribute was already specified on 'z'
+  save x,z
+end
+
Index: flang/lib/Semantics/resolve-names.cpp
===================================================================
--- flang/lib/Semantics/resolve-names.cpp
+++ flang/lib/Semantics/resolve-names.cpp
@@ -4903,7 +4903,7 @@
     std::set<SourceName> &set, const SourceName &name) {
   auto pair{set.insert(name)};
   if (!pair.second) {
-    Say2(name, "SAVE attribute was already specified on '%s'"_err_en_US,
+    Say2(name, "SAVE attribute was already specified on '%s'"_en_US,
         *pair.first, "Previous specification of SAVE attribute"_en_US);
   }
 }
Index: flang/docs/Extensions.md
===================================================================
--- flang/docs/Extensions.md
+++ flang/docs/Extensions.md
@@ -197,6 +197,8 @@
 * External unit 0 is predefined and connected to the standard error output,
   and defined as `ERROR_UNIT` in the intrinsic `ISO_FORTRAN_ENV` module.
 * Objects in blank COMMON may be initialized.
+* Multiple specifications of the SAVE attribute on the same object
+  are allowed, with a warning.
 
 ### Extensions supported when enabled by options
 


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