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authorEric Botcazou <ebotcazou@adacore.com>2019-11-25 10:52:33 +0000
committerEric Botcazou <ebotcazou@adacore.com>2019-11-25 10:52:33 +0000
commitfd8c1d5fa1960d3e427f16424d08808029a0d9da (patch)
tree1f4f07f9dedd972048298e0f87c3c20dbe9c7795
parent6d5cfbe11efa9c00146463b5a93051189fdae9b5 (diff)
PR ada/92362
* gcc-interface/trans.c (gnat_to_gnu) <N_Attribute_Definition_Clause>: Use a temporary instead of clobbering the result with a freeze node. git-svn-id: https://gcc.gnu.org/svn/gcc/branches/gcc-9-branch@278676 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ada/ChangeLog6
-rw-r--r--gcc/ada/gcc-interface/trans.c8
-rw-r--r--gcc/testsuite/ChangeLog4
-rw-r--r--gcc/testsuite/gnat.dg/addr14.adb24
4 files changed, 38 insertions, 4 deletions
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 1f13b9c06ab..e2efd819c04 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,5 +1,11 @@
2019-11-25 Eric Botcazou <ebotcazou@adacore.com>
+ PR ada/92362
+ * gcc-interface/trans.c (gnat_to_gnu) <N_Attribute_Definition_Clause>:
+ Use a temporary instead of clobbering the result with a freeze node.
+
+2019-11-25 Eric Botcazou <ebotcazou@adacore.com>
+
PR ada/92575
* expect.c (__gnat_expect_poll [VMS, HPUX]): Fix typo.
diff --git a/gcc/ada/gcc-interface/trans.c b/gcc/ada/gcc-interface/trans.c
index f08f6aac330..2581b71d6fa 100644
--- a/gcc/ada/gcc-interface/trans.c
+++ b/gcc/ada/gcc-interface/trans.c
@@ -8308,7 +8308,7 @@ gnat_to_gnu (Node_Id gnat_node)
gnat_temp = Entity (Name (gnat_node));
if (Freeze_Node (gnat_temp))
{
- tree gnu_address = gnat_to_gnu (Expression (gnat_node));
+ tree gnu_address = gnat_to_gnu (Expression (gnat_node)), gnu_temp;
/* Get the value to use as the address and save it as the equivalent
for the object; when it is frozen, gnat_to_gnu_entity will do the
@@ -8318,7 +8318,7 @@ gnat_to_gnu (Node_Id gnat_node)
of the object is limited and it is initialized with the result of
a function call. */
if (Is_Subprogram (gnat_temp))
- gnu_result = gnu_address;
+ gnu_temp = gnu_address;
else
{
tree gnu_type = gnat_to_gnu_type (Etype (gnat_temp));
@@ -8327,11 +8327,11 @@ gnat_to_gnu (Node_Id gnat_node)
gnu_type
= build_reference_type_for_mode (gnu_type, ptr_mode, true);
gnu_address = convert (gnu_type, gnu_address);
- gnu_result
+ gnu_temp
= build_unary_op (INDIRECT_REF, NULL_TREE, gnu_address);
}
- save_gnu_tree (gnat_temp, gnu_result, true);
+ save_gnu_tree (gnat_temp, gnu_temp, true);
}
break;
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f3a84448206..c9e38713caa 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2019-11-25 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gnat.dg/addr14.adb: New test.
+
2019-11-21 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/91355
diff --git a/gcc/testsuite/gnat.dg/addr14.adb b/gcc/testsuite/gnat.dg/addr14.adb
new file mode 100644
index 00000000000..e92c902f038
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/addr14.adb
@@ -0,0 +1,24 @@
+-- { dg-do run }
+
+with System;
+
+procedure Addr14 is
+
+ type Arr is array (1 .. 4) of aliased Integer;
+
+ A : Arr := (1, 2, 3, 4);
+ I : Natural := 0;
+
+ function Get_Address return System.Address is
+ begin
+ I := I + 1;
+ return A(I)'Address;
+ end;
+
+ Foo : Integer with Address => Get_Address;
+
+begin
+ if Foo /= 1 then
+ raise Program_Error;
+ end if;
+end;