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-rw-r--r--gcc/print-rtl.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/print-rtl.c b/gcc/print-rtl.c
index 5ffc30c9925..ee7e64cebb5 100644
--- a/gcc/print-rtl.c
+++ b/gcc/print-rtl.c
@@ -195,7 +195,9 @@ print_rtx (in_rtx)
else if (NOTE_LINE_NUMBER (in_rtx) == NOTE_INSN_BASIC_BLOCK)
{
basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
- fprintf (outfile, " [bb %d]", bb->index);
+
+ if (bb != 0)
+ fprintf (outfile, " [bb %d]", bb->index);
}
else
{