diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0183-PR-debug-48768.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0183-PR-debug-48768.patch | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0183-PR-debug-48768.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0183-PR-debug-48768.patch new file mode 100644 index 000000000..609f11043 --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0183-PR-debug-48768.patch @@ -0,0 +1,81 @@ +From 8a0e77485c3d9d34c6f65cec908829dcc4cd5fee Mon Sep 17 00:00:00 2001 +From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Tue, 26 Apr 2011 13:47:13 +0000 +Subject: [PATCH 183/200] PR debug/48768 + * tree-ssa.c (insert_debug_temp_for_var_def): If degenerate_phi_result + is error_mark_node, set value to NULL. + + * gcc.dg/pr48768.c: New test. + + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@172970 138bc75d-0d04-0410-961f-82ee72b054a4 + +index 566f02e..a4e5470 100644 +new file mode 100644 +index 0000000..7d0383e +--- /dev/null ++++ b/gcc/testsuite/gcc.dg/pr48768.c +@@ -0,0 +1,38 @@ ++/* PR debug/48768 */ ++/* { dg-do compile } */ ++/* { dg-options "-O -fcompare-debug" } */ ++ ++int a, b; ++ ++int ++bar (void) ++{ ++ int i, j = 1; ++ for (i = 0; i != 10; i++) ++ { ++ lab: ++ if (i) ++ { ++ int *k = &j; ++ } ++ else if (j) ++ goto lab; ++ } ++ return 1; ++} ++ ++inline int ++foo (int x) ++{ ++ unsigned int c = x; ++ int d = x; ++ if (bar ()) ++ for (; c; c++) ++ while (x >= 0) ++ if (foo (d) >= 0) ++ { ++ d = bar (); ++ a = b ? b : 1; ++ } ++ return 0; ++} +diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c +index eaf3ef9..da6cc9b 100644 +--- a/gcc/tree-ssa.c ++++ b/gcc/tree-ssa.c +@@ -1,5 +1,5 @@ + /* Miscellaneous SSA utility functions. +- Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010 ++ Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011 + Free Software Foundation, Inc. + + This file is part of GCC. +@@ -352,6 +352,10 @@ insert_debug_temp_for_var_def (gimple_stmt_iterator *gsi, tree var) + value = degenerate_phi_result (def_stmt); + if (value && walk_tree (&value, find_released_ssa_name, NULL, NULL)) + value = NULL; ++ /* error_mark_node is what fixup_noreturn_call changes PHI arguments ++ to. */ ++ else if (value == error_mark_node) ++ value = NULL; + } + else if (is_gimple_assign (def_stmt)) + { +-- +1.7.0.4 + |