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authorrakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4>2007-03-12 21:56:12 +0000
committerrakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4>2007-03-12 21:56:12 +0000
commitf8494ea3adf0332b5ae3650314dd3b9adb0eb40a (patch)
treee514ce3f0e370009d38ad96a7e1a8faf711baef9 /gcc/lambda-code.c
parent021d874e66c98f2b56e84625e7ddf89b60c7ab1f (diff)
downloadgcc-f8494ea3adf0332b5ae3650314dd3b9adb0eb40a.tar.gz
PR tree-optimization/30835
* lambda-code.c (can_convert_to_perfect_nest): Check whether bb_for_stmt is not NULL before accessing it. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@122866 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/lambda-code.c')
-rw-r--r--gcc/lambda-code.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/lambda-code.c b/gcc/lambda-code.c
index d7632665fb5..487c6468de7 100644
--- a/gcc/lambda-code.c
+++ b/gcc/lambda-code.c
@@ -2363,8 +2363,9 @@ can_convert_to_perfect_nest (struct loop *loop)
{
tree arg_stmt = SSA_NAME_DEF_STMT (arg);
- if (bb_for_stmt (arg_stmt)->loop_father
- == loop->inner)
+ if (bb_for_stmt (arg_stmt)
+ && (bb_for_stmt (arg_stmt)->loop_father
+ == loop->inner))
goto fail;
}
}