PR ipa/63566

	* cgraphunit.c (cgraph_node::analyze): Be sure target of thunk is
	aliases before trying to expand it.
	(cgraph_node::expand_thunk): Fix formating.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@220518 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 465c999..7122413 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2015-02-08  Jan Hubicka  <hubicka@ucw.cz>
+
+       PR ipa/63566 
+       * cgraphunit.c (cgraph_node::analyze): Be sure target of thunk is
+       aliases before trying to expand it.
+       (cgraph_node::expand_thunk): Fix formating.
+
 2015-02-07  Sandra Loosemore  <sandra@codesourcery.com>
 
        * doc/extend.texi (Function Attributes [naked]): Copy-edit.

diff --git a/gcc/cgraphunit.c b/gcc/cgraphunit.c
index 35b244e..8280fc4 100644 (file)
--- a/gcc/cgraphunit.c
+++ b/gcc/cgraphunit.c
@@ -580,8 +580,19 @@ cgraph_node::analyze (void)
 
   if (thunk.thunk_p)
     {
-      create_edge (cgraph_node::get (thunk.alias),
-                  NULL, 0, CGRAPH_FREQ_BASE);
+      cgraph_node *t = cgraph_node::get (thunk.alias);
+
+      create_edge (t, NULL, 0, CGRAPH_FREQ_BASE);
+      /* Target code in expand_thunk may need the thunk's target
+        to be analyzed, so recurse here.  */
+      if (!t->analyzed)
+       t->analyze ();
+      if (t->alias)
+       {
+         t = t->get_alias_target ();
+         if (!t->analyzed)
+           t->analyze ();
+       }
       if (!expand_thunk (false, false))
        {
          thunk.alias = NULL;
@@ -1515,7 +1526,8 @@ cgraph_node::expand_thunk (bool output_asm_thunks, bool force_gimple_thunk)
       current_function_decl = thunk_fndecl;
 
       /* Ensure thunks are emitted in their correct sections.  */
-      resolve_unique_section (thunk_fndecl, 0, flag_function_sections);
+      resolve_unique_section (thunk_fndecl, 0,
+                             flag_function_sections);
 
       DECL_RESULT (thunk_fndecl)
        = build_decl (DECL_SOURCE_LOCATION (thunk_fndecl),
@@ -1568,7 +1580,8 @@ cgraph_node::expand_thunk (bool output_asm_thunks, bool force_gimple_thunk)
       current_function_decl = thunk_fndecl;
 
       /* Ensure thunks are emitted in their correct sections.  */
-      resolve_unique_section (thunk_fndecl, 0, flag_function_sections);
+      resolve_unique_section (thunk_fndecl, 0,
+                             flag_function_sections);
 
       DECL_IGNORED_P (thunk_fndecl) = 1;
       bitmap_obstack_initialize (NULL);