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-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 d763266..487c646 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;
}
}