PR c++/91304 - prefix attributes ignored in condition.

	* parser.c (cp_parser_condition): Handle prefix attributes.

	* g++.dg/cpp0x/gen-attrs-70.C: New test.

From-SVN: r274839

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index d47c2f7..d2b9623 100644 (file)
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2019-08-22  Marek Polacek  <polacek@redhat.com>
+
+       PR c++/91304 - prefix attributes ignored in condition.
+       * parser.c (cp_parser_condition): Handle prefix attributes.
+
 2019-08-21  Richard Sandiford  <richard.sandiford@arm.com>
 
        PR c++/91505

diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c
index dbbfe1d..b410a6c 100644 (file)
--- a/gcc/cp/parser.c
+++ b/gcc/cp/parser.c
@@ -12066,6 +12066,10 @@ cp_parser_condition (cp_parser* parser)
   /* Restore the saved message.  */
   parser->type_definition_forbidden_message = saved_message;
 
+  /* Gather the attributes that were provided with the
+     decl-specifiers.  */
+  tree prefix_attributes = type_specifiers.attributes;
+
   cp_parser_maybe_commit_to_declaration (parser,
                                         type_specifiers.any_specifiers_p);
 
@@ -12116,7 +12120,7 @@ cp_parser_condition (cp_parser* parser)
          /* Create the declaration.  */
          decl = start_decl (declarator, &type_specifiers,
                             /*initialized_p=*/true,
-                            attributes, /*prefix_attributes=*/NULL_TREE,
+                            attributes, prefix_attributes,
                             &pushed_scope);
 
          /* Parse the initializer.  */

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a7c4ec3..ad5aa69 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-08-22  Marek Polacek  <polacek@redhat.com>
+
+       PR c++/91304 - prefix attributes ignored in condition.
+       * g++.dg/cpp0x/gen-attrs-70.C: New test.
+
 2019-08-22  Martin Sebor  <msebor@redhat.com>
 
        PR middle-end/91490

diff --git a/gcc/testsuite/g++.dg/cpp0x/gen-attrs-70.C b/gcc/testsuite/g++.dg/cpp0x/gen-attrs-70.C
new file mode 100644 (file)
index 0000000..90a2e97
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/gen-attrs-70.C
@@ -0,0 +1,13 @@
+// PR c++/91304 - prefix attributes ignored in condition.
+// { dg-do compile { target c++11 } }
+// { dg-additional-options "-Wall -Wextra" }
+
+int f();
+
+void g()
+{   
+  if ([[maybe_unused]] int i = f()) { }
+  if ([[deprecated]] int i = f()) { i = 10; } // { dg-warning ".i. is deprecated" }
+  if (int i [[maybe_unused]] = f()) { }
+  if (int i [[deprecated]] = f()) { i = 10; } // { dg-warning ".i. is deprecated" }
+}