re PR libstdc++/9076 (Call Frame Instructions are not handled correctly during unwind operation..)

2003-01-07  Benjamin Kosnik  <bkoz@redhat.com>
	    Sunil Davasam  <sunil.k.davasam@intel.com>

	PR libstdc++/9076
	* unwind-dw2.c (execute_cfa_program): DW_CFA_undefined,
	DW_CFA_same_value, read next and ignore.

Co-Authored-By: Sunil Davasam <sunil.k.davasam@intel.com>

From-SVN: r61008

gcc/ChangeLog

+2003-01-07  Benjamin Kosnik  <bkoz@redhat.com>
+	    Sunil Davasam  <sunil.k.davasam@intel.com>
+
+	PR libstdc++/9076 
+	* unwind-dw2.c (execute_cfa_program): DW_CFA_undefined,
+	DW_CFA_same_value, read next and ignore.
+
 2003-01-07  Richard Henderson  <rth@redhat.com>
 
 	* cfganal.c (flow_call_edges_add): Don't crash on noreturn call.

gcc/unwind-dw2.c

 /* DWARF2 exception handling and frame unwind runtime interface routines.
-   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
+   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
    Free Software Foundation, Inc.
 
    This file is part of GCC.
@@ -784,6 +784,9 @@ execute_cfa_program (const unsigned char *insn_ptr,
 
 	case DW_CFA_undefined:
 	case DW_CFA_same_value:
+	  insn_ptr = read_uleb128 (insn_ptr, &reg);
+	  break;
+
 	case DW_CFA_nop:
 	  break;