cgraph.c (verify_edge_corresponds_to_fndecl): Be lax about decl has when in streaming stage.

	* cgraph.c (verify_edge_corresponds_to_fndecl): Be lax about
	decl has when in streaming stage.
	* lto-symtab.c (lto_symtab_merge_symbols): Likewise.
	* cgraph.h (cgraph_state): Add CGRAPH_LTO_STREAMING.

	* lto.c (read_cgraph_and_symbols): Set cgraph into streaming state.

From-SVN: r200018

7 files changed, 32 insertions, 6 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 99e8f50..bd2d37b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2013-06-12  Jan Hubicka  <jh@suse.cz>
+
+	* cgraph.c (verify_edge_corresponds_to_fndecl): Be lax about
+	decl has when in streaming stage.
+	* lto-symtab.c (lto_symtab_merge_symbols): Likewise.
+	* cgraph.h (cgraph_state): Add CGRAPH_LTO_STREAMING.
+
 2013-06-12  Roland Stigge <stigge@antcom.de>
 
 	PR target/57578
diff --git a/gcc/cgraph.c b/gcc/cgraph.c
index 9ebe905..797d58a 100644
--- a/gcc/cgraph.c
+++ b/gcc/cgraph.c
@@ -2291,6 +2291,8 @@ verify_edge_corresponds_to_fndecl (struct cgraph_edge *e, tree decl)
 
   if (!decl || e->callee->global.inlined_to)
     return false;
+  if (cgraph_state == CGRAPH_LTO_STREAMING)
+    return false;
   node = cgraph_get_node (decl);
 
   /* We do not know if a node from a different partition is an alias or what it
diff --git a/gcc/cgraph.h b/gcc/cgraph.h
index 9661427..6259189 100644
--- a/gcc/cgraph.h
+++ b/gcc/cgraph.h
@@ -551,6 +551,8 @@ enum cgraph_state
   CGRAPH_STATE_PARSING,
   /* Callgraph is being constructed.  It is safe to add new functions.  */
   CGRAPH_STATE_CONSTRUCTION,
+  /* Callgraph is being at LTO time.  */
+  CGRAPH_LTO_STREAMING,
   /* Callgraph is built and IPA passes are being run.  */
   CGRAPH_STATE_IPA,
   /* Callgraph is built and all functions are transformed to SSA form.  */
diff --git a/gcc/lto-symtab.c b/gcc/lto-symtab.c
index a92e14c..257280c 100644
--- a/gcc/lto-symtab.c
+++ b/gcc/lto-symtab.c
@@ -587,7 +587,7 @@ lto_symtab_merge_symbols (void)
 	 also re-populate the hash translating decls into symtab nodes*/
       FOR_EACH_SYMBOL (node)
 	{
-	  cgraph_node *cnode;
+	  cgraph_node *cnode, *cnode2;
 	  if (!node->symbol.analyzed && node->symbol.alias_target)
 	    {
 	      symtab_node tgt = symtab_node_for_asm (node->symbol.alias_target);
@@ -596,10 +596,17 @@ lto_symtab_merge_symbols (void)
 		symtab_resolve_alias (node, tgt);
 	    }
 	  node->symbol.aux = NULL;
+	  
 	  if (!(cnode = dyn_cast <cgraph_node> (node))
 	      || !cnode->clone_of
 	      || cnode->clone_of->symbol.decl != cnode->symbol.decl)
-	    symtab_insert_node_to_hashtable ((symtab_node)node);
+	    {
+	      if (cnode && DECL_BUILT_IN (node->symbol.decl)
+		  && (cnode2 = cgraph_get_node (node->symbol.decl))
+		  && cnode2 != cnode)
+		lto_cgraph_replace_node (cnode2, cnode);
+	      symtab_insert_node_to_hashtable ((symtab_node)node);
+	    }
 	}
     }
 }
diff --git a/gcc/lto/ChangeLog b/gcc/lto/ChangeLog
index 216882a..4b36f44 100644
--- a/gcc/lto/ChangeLog
+++ b/gcc/lto/ChangeLog
@@ -1,5 +1,9 @@
 2013-06-12  Jan Hubicka  <jh@suse.cz>
 
+	* lto.c (read_cgraph_and_symbols): Set cgraph into streaming state.
+
+2013-06-12  Jan Hubicka  <jh@suse.cz>
+
 	* lto.c (register_resolution): Take lto_file_data argument.
 	(lto_register_var_decl_in_symtab,
 	lto_register_function_decl_in_symtab): Update.
diff --git a/gcc/lto/lto.c b/gcc/lto/lto.c
index a4c5d29..c756c31 100644
--- a/gcc/lto/lto.c
+++ b/gcc/lto/lto.c
@@ -2891,6 +2891,7 @@ read_cgraph_and_symbols (unsigned nfiles, const char **fnames)
       /* True, since the plugin splits the archives.  */
       gcc_assert (num_objects == nfiles);
     }
+  cgraph_state = CGRAPH_LTO_STREAMING;
 
   tree_with_vars = htab_create_ggc (101, htab_hash_pointer, htab_eq_pointer,
 				    NULL);
diff --git a/gcc/symtab.c b/gcc/symtab.c
index 0ce44a9..c9f32d5 100644
--- a/gcc/symtab.c
+++ b/gcc/symtab.c
@@ -647,11 +647,14 @@ verify_symtab_base (symtab_node node)
       error_found = true;
     }
    
-  hashed_node = symtab_get_node (node->symbol.decl);
-  if (!hashed_node)
+  if (cgraph_state != CGRAPH_LTO_STREAMING)
     {
-      error ("node not found in symtab decl hashtable");
-      error_found = true;
+      hashed_node = symtab_get_node (node->symbol.decl);
+      if (!hashed_node)
+	{
+	  error ("node not found in symtab decl hashtable");
+	  error_found = true;
+	}
     }
   if (assembler_name_hash)
     {