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-rw-r--r--gcc/cp/ChangeLog5
-rw-r--r--gcc/cp/name-lookup.c9
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/g++.dg/diagnostic/redeclaration-1.C2
4 files changed, 17 insertions, 4 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 65b648a..7d742c1 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2020-04-13 Marek Polacek <polacek@redhat.com>
+
+ PR c++/94588
+ * name-lookup.c (check_local_shadow): Add an inform call.
+
2020-04-13 Patrick Palka <ppalka@redhat.com>
PR c++/94521
diff --git a/gcc/cp/name-lookup.c b/gcc/cp/name-lookup.c
index 8dd0b0d..9b68b15 100644
--- a/gcc/cp/name-lookup.c
+++ b/gcc/cp/name-lookup.c
@@ -2670,8 +2670,8 @@ check_local_shadow (tree decl)
}
/* Don't complain if it's from an enclosing function. */
else if (DECL_CONTEXT (old) == current_function_decl
- && TREE_CODE (decl) != PARM_DECL
- && TREE_CODE (old) == PARM_DECL)
+ && TREE_CODE (decl) != PARM_DECL
+ && TREE_CODE (old) == PARM_DECL)
{
/* Go to where the parms should be and see if we find
them there. */
@@ -2681,11 +2681,14 @@ check_local_shadow (tree decl)
/* Skip the ctor/dtor cleanup level. */
b = b->level_chain;
- /* ARM $8.3 */
+ /* [basic.scope.param] A parameter name shall not be redeclared
+ in the outermost block of the function definition. */
if (b->kind == sk_function_parms)
{
error_at (DECL_SOURCE_LOCATION (decl),
"declaration of %q#D shadows a parameter", decl);
+ inform (DECL_SOURCE_LOCATION (old),
+ "%q#D previously declared here", old);
return;
}
}
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 723d484..2035cf6 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2020-04-13 Marek Polacek <polacek@redhat.com>
+
+ PR c++/94588
+ * g++.dg/diagnostic/redeclaration-1.C: Add dg-message.
+
2020-04-13 Martin Sebor <msebor@redhat.com>
PR c/92326
diff --git a/gcc/testsuite/g++.dg/diagnostic/redeclaration-1.C b/gcc/testsuite/g++.dg/diagnostic/redeclaration-1.C
index a41a2b8..f0e43d4 100644
--- a/gcc/testsuite/g++.dg/diagnostic/redeclaration-1.C
+++ b/gcc/testsuite/g++.dg/diagnostic/redeclaration-1.C
@@ -1,5 +1,5 @@
void
-foo (int i)
+foo (int i) // { dg-message "10:.int i. previously declared here" }
{
int i // { dg-error "7:declaration of .int i. shadows a parameter" }
(0);