Revert
PR lto/48437
* lto-streamer-out.c (tree_is_indexable): Exclude block-local
extern declarations.
PR lto/48508
PR lto/48437
* tree-streamer-out.c (streamer_write_chain): Stream DECL_EXTERNAL
VAR_DECLs and FUNCTION_DECLs locally.
* g++.dg/lto/pr48508-1_0.C: New testcase.
* g++.dg/lto/pr48508-1_1.C: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@182358
138bc75d-0d04-0410-961f-
82ee72b054a4
+2012-12-15 Richard Guenther <rguenther@suse.de>
+
+ Revert
+ PR lto/48437
+ * lto-streamer-out.c (tree_is_indexable): Exclude block-local
+ extern declarations.
+
+ PR lto/48508
+ PR lto/48437
+ * tree-streamer-out.c (streamer_write_chain): Stream DECL_EXTERNAL
+ VAR_DECLs and FUNCTION_DECLs locally.
+
2011-12-14 Richard Henderson <rth@redhat.com>
* config/arm/arm.md (*addsi3_compare0_scratch): Set predicable.
else if (TREE_CODE (t) == VAR_DECL && decl_function_context (t)
&& !TREE_STATIC (t))
return false;
- /* If this is a decl generated for block local externs for
- debug info generation, stream it unshared alongside BLOCK_VARS. */
- else if (VAR_OR_FUNCTION_DECL_P (t)
- /* ??? The following tests are a literal match on what
- c-decl.c:pop_scope does. */
- && TREE_PUBLIC (t)
- && DECL_EXTERNAL (t)
- && DECL_CONTEXT (t)
- && TREE_CODE (DECL_CONTEXT (t)) == FUNCTION_DECL)
- return false;
/* Variably modified types need to be streamed alongside function
bodies because they can refer to local entities. Together with
them we have to localize their members as well.
+2012-12-15 Richard Guenther <rguenther@suse.de>
+
+ PR lto/48508
+ * g++.dg/lto/pr48508-1_0.C: New testcase.
+ * g++.dg/lto/pr48508-1_1.C: Likewise.
+
2011-12-14 Jason Merrill <jason@redhat.com>
PR c++/51554
--- /dev/null
+// { dg-lto-do link }
+// { dg-lto-options { { -g -O2 -flto -flto-partition=none } } }
+
+void __attribute__((externally_visible))
+foo (int i)
+{
+}
--- /dev/null
+static void
+bar (void)
+{
+ extern void foo (int);
+ foo (0);
+}
+int main()
+{
+ bar ();
+}
saved_chain = TREE_CHAIN (t);
TREE_CHAIN (t) = NULL_TREE;
- stream_write_tree (ob, t, ref_p);
+ /* We avoid outputting external vars or functions by reference
+ to the global decls section as we do not want to have them
+ enter decl merging. This is, of course, only for the call
+ for streaming BLOCK_VARS, but other callers are safe. */
+ stream_write_tree (ob, t,
+ ref_p && !(VAR_OR_FUNCTION_DECL_P (t)
+ && DECL_EXTERNAL (t)));
TREE_CHAIN (t) = saved_chain;
t = TREE_CHAIN (t);