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# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
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# Filename: package/.../gcc/gcc47-pr33763.patch
# Copyright (C) 2012 The OpenSDE Project
#
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#
# This patch file is dual-licensed. It is available under the license the
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# of the GNU General Public License as published by the Free Software
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# --- SDE-COPYRIGHT-NOTE-END ---
From ceae6595da8f4f3c7cda06a654e251f0d1bc4976 Mon Sep 17 00:00:00 2001
From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 5 Oct 2012 11:58:46 +0000
Subject: [PATCH] PR tree-optimization/33763
* tree-inline.c (expand_call_inline): Silently ignore always_inline
attribute for redefined extern inline functions.
* c-c++-common/pr33763.c: New test.
diff --git a/gcc/testsuite/c-c++-common/pr33763.c b/gcc/testsuite/c-c++-common/pr33763.c
new file mode 100644
index 0000000..dbdfa77
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/pr33763.c
@@ -0,0 +1,60 @@
+/* PR tree-optimization/33763 */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+typedef struct
+{
+ void *a;
+ void *b;
+} T;
+extern void *foo (const char *, const char *);
+extern void *bar (void *, const char *, T);
+extern int baz (const char *, int);
+
+extern inline __attribute__ ((always_inline, gnu_inline)) int
+baz (const char *x, int y)
+{
+ return 2;
+}
+
+int
+baz (const char *x, int y)
+{
+ return 1;
+}
+
+int xa, xb;
+
+static void *
+inl (const char *x, const char *y)
+{
+ T t = { &xa, &xb };
+ int *f = (int *) __builtin_malloc (sizeof (int));
+ const char *z;
+ int o = 0;
+ void *r = 0;
+
+ for (z = y; *z; z++)
+ {
+ if (*z == 'r')
+ o |= 1;
+ if (*z == 'w')
+ o |= 2;
+ }
+ if (o == 1)
+ *f = baz (x, 0);
+ if (o == 2)
+ *f = baz (x, 1);
+ if (o == 3)
+ *f = baz (x, 2);
+
+ if (o && *f > 0)
+ r = bar (f, "w", t);
+ return r;
+}
+
+void *
+foo (const char *x, const char *y)
+{
+ return inl (x, y);
+}
diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c
index 349e0b0..5854bd9 100644
--- a/gcc/tree-inline.c
+++ b/gcc/tree-inline.c
@@ -3836,6 +3836,12 @@ expand_call_inline (basic_block bb, gimple stmt, copy_body_data *id)
goto egress;
if (lookup_attribute ("always_inline", DECL_ATTRIBUTES (fn))
+ /* For extern inline functions that get redefined we always
+ silently ignored always_inline flag. Better behaviour would
+ be to be able to keep both bodies and use extern inline body
+ for inlining, but we can't do that because frontends overwrite
+ the body. */
+ && !cg_edge->callee->local.redefined_extern_inline
/* Avoid warnings during early inline pass. */
&& cgraph_global_info_ready
/* PR 20090218-1_0.c. Body can be provided by another module. */
--
1.7.3.4