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| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-04-26 13:35:21 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-04-26 13:35:21 +0000 |
| commit | a05063ecc349c6ff582b6aadff6052557e6b2935 (patch) | |
| tree | b73ddcd14f6b3d35323abb3b350b6d5112a0dc33 /gcc/tree-ssa.c | |
| parent | 89c993b6f0b717bec496e777807189da2c6f1d2a (diff) | |
| download | gcc-a05063ecc349c6ff582b6aadff6052557e6b2935.tar.gz | |
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/trunk@172968 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa.c')
| -rw-r--r-- | gcc/tree-ssa.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c index 4cd86c6781f..7f0a077b044 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)) { |