diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0313-PR-debug-49032.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0313-PR-debug-49032.patch | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0313-PR-debug-49032.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0313-PR-debug-49032.patch new file mode 100644 index 0000000000..6400d8749c --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0313-PR-debug-49032.patch @@ -0,0 +1,90 @@ +From 62593aed2e6b228ae5b85fb9721b45cc92cce894 Mon Sep 17 00:00:00 2001 +From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Mon, 23 May 2011 18:12:34 +0000 +Subject: [PATCH] PR debug/49032 + * dbxout.c: Include cgraph.h. + (dbxout_expand_expr): If a VAR_DECL is TREE_STATIC, not written + and without value expr, return NULL if no varpool node exists for + it or if it is not needed. + * Makefile.in (dbxout.o): Depend on $(CGRAPH_H). + + * gcc.dg/debug/pr49032.c: New test. + + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@174084 138bc75d-0d04-0410-961f-82ee72b054a4 + +index 792ca6c..60dcee5 100644 +--- a/gcc/Makefile.in ++++ b/gcc/Makefile.in +@@ -2921,7 +2921,8 @@ optabs.o : optabs.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \ + dbxout.o : dbxout.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \ + $(RTL_H) $(FLAGS_H) $(REGS_H) debug.h $(TM_P_H) $(TARGET_H) $(FUNCTION_H) \ + langhooks.h insn-config.h reload.h $(GSTAB_H) xcoffout.h output.h dbxout.h \ +- toplev.h $(DIAGNOSTIC_CORE_H) $(GGC_H) $(OBSTACK_H) $(EXPR_H) gt-dbxout.h ++ toplev.h $(DIAGNOSTIC_CORE_H) $(GGC_H) $(OBSTACK_H) $(EXPR_H) $(CGRAPH_H) \ ++ gt-dbxout.h + debug.o : debug.c debug.h $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) + sdbout.o : sdbout.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) debug.h \ + $(TREE_H) $(GGC_H) $(RTL_H) $(REGS_H) $(FLAGS_H) insn-config.h \ +diff --git a/gcc/dbxout.c b/gcc/dbxout.c +index 3b0cf34..836030d 100644 +--- a/gcc/dbxout.c ++++ b/gcc/dbxout.c +@@ -1,7 +1,7 @@ + /* Output dbx-format symbol table information from GNU compiler. + Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, +- 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 +- Free Software Foundation, Inc. ++ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, ++ 2011 Free Software Foundation, Inc. + + This file is part of GCC. + +@@ -91,6 +91,7 @@ along with GCC; see the file COPYING3. If not see + #include "langhooks.h" + #include "obstack.h" + #include "expr.h" ++#include "cgraph.h" + + #ifdef XCOFF_DEBUGGING_INFO + #include "xcoffout.h" +@@ -2393,6 +2394,20 @@ dbxout_expand_expr (tree expr) + disable debug info for these variables. */ + if (!targetm.have_tls && DECL_THREAD_LOCAL_P (expr)) + return NULL; ++ if (TREE_STATIC (expr) ++ && !TREE_ASM_WRITTEN (expr) ++ && !DECL_HAS_VALUE_EXPR_P (expr) ++ && !TREE_PUBLIC (expr) ++ && DECL_RTL_SET_P (expr) ++ && MEM_P (DECL_RTL (expr))) ++ { ++ /* If this is a var that might not be actually output, ++ return NULL, otherwise stabs might reference an undefined ++ symbol. */ ++ struct varpool_node *node = varpool_get_node (expr); ++ if (!node || !node->needed) ++ return NULL; ++ } + /* FALLTHRU */ + + case PARM_DECL: +new file mode 100644 +index 0000000..3985040 +--- /dev/null ++++ b/gcc/testsuite/gcc.dg/debug/pr49032.c +@@ -0,0 +1,11 @@ ++/* PR debug/49032 */ ++/* { dg-do link } */ ++ ++static int s = 42; ++ ++int ++main () ++{ ++ int *l[18] = { &s, &s, &s, &s, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; ++ return 0; ++} +-- +1.7.0.4 + |