Check e->call_stmt before calling gimple_call_set_cannot_inline.

2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR lto/46760
	* tree-inline.c (tree_can_inline_p): Check e->call_stmt before
	calling gimple_call_set_cannot_inline.

From-SVN: r168631

gcc/ChangeLog

+2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR lto/46760
+	* tree-inline.c (tree_can_inline_p): Check e->call_stmt before
+	calling gimple_call_set_cannot_inline.
+
 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
 
 	* config/darwin-sections.def: Remove unused section.

gcc/tree-inline.c

@@ -5380,6 +5380,7 @@ tree_can_inline_p (struct cgraph_edge *e)
   if (inline_forbidden_into_p (caller, callee))
     {
       e->inline_failed = CIF_UNSPECIFIED;
+      if (e->call_stmt)
 	gimple_call_set_cannot_inline (e->call_stmt, true);
       return false;
     }
@@ -5388,6 +5389,7 @@ tree_can_inline_p (struct cgraph_edge *e)
   if (!targetm.target_option.can_inline_p (caller, callee))
     {
       e->inline_failed = CIF_TARGET_OPTION_MISMATCH;
+      if (e->call_stmt)
 	gimple_call_set_cannot_inline (e->call_stmt, true);
       e->call_stmt_cannot_inline_p = true;
       return false;
@@ -5405,6 +5407,7 @@ tree_can_inline_p (struct cgraph_edge *e)
 	  || !gimple_check_call_args (e->call_stmt)))
     {
       e->inline_failed = CIF_MISMATCHED_ARGUMENTS;
+      if (e->call_stmt)
 	gimple_call_set_cannot_inline (e->call_stmt, true);
       e->call_stmt_cannot_inline_p = true;
       return false;