re PR ipa/65588 (lto1: internal compiler error: Segmentation fault)

	PR ipa/65588
	* symtab.c (symtab_node::get_partitioning_class): Register vars
	are duplicated.
	* varpool.c (symbol_table::output_variables) Do not assemble unefined
	decls for non-symbols.

From-SVN: r221745

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d8221f3..554d8c6 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2015-03-27  Jan Hubicka  <hubicka@ucw.cz>
+
+       PR ipa/65588
+       * symtab.c (symtab_node::get_partitioning_class): Register vars
+       are duplicated.
+       * varpool.c (symbol_table::output_variables) Do not assemble unefined
+       decls for non-symbols.
+
 2015-03-27  H.J. Lu  <hongjiu.lu@intel.com>
 
        PR target/65248

diff --git a/gcc/symtab.c b/gcc/symtab.c
index 84a0981..eb41d62 100644 (file)
--- a/gcc/symtab.c
+++ b/gcc/symtab.c
@@ -1689,6 +1689,8 @@ symtab_node::get_partitioning_class (void)
          objects that can not be duplicated across partitions.  */
       if (DECL_IN_CONSTANT_POOL (decl))
        return SYMBOL_DUPLICATE;
+      if (DECL_HARD_REGISTER (decl))
+       return SYMBOL_DUPLICATE;
       gcc_checking_assert (vnode->definition);
     }
   /* Functions that are cloned may stay in callgraph even if they are unused.

diff --git a/gcc/varpool.c b/gcc/varpool.c
index f1439ca..76148a5 100644 (file)
--- a/gcc/varpool.c
+++ b/gcc/varpool.c
@@ -737,7 +737,9 @@ symbol_table::output_variables (void)
   timevar_push (TV_VAROUT);
 
   FOR_EACH_VARIABLE (node)
-    if (!node->definition)
+    if (!node->definition
+       && !DECL_HAS_VALUE_EXPR_P (node->decl)
+       && !DECL_HARD_REGISTER (node->decl))
       assemble_undefined_decl (node->decl);
   FOR_EACH_DEFINED_VARIABLE (node)
     {