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PATCH: Correct alloca length in dump_gimple_bb_header
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: gcc-patches at gcc dot gnu dot org
- Date: Mon, 29 Oct 2012 05:06:01 -0700
- Subject: PATCH: Correct alloca length in dump_gimple_bb_header
Hi,
When indent == 0, we call alloca with -1 bytes. This patch changes
it to indent + 1. This is a trunk only regression. OK to install?
Thanks.
H.J.
---
2012-10-29 H.J. Lu <hongjiu.lu@intel.com>
* gimple-pretty-print.c (dump_gimple_bb_header): Correct alloca
length.
diff --git a/gcc/gimple-pretty-print.c b/gcc/gimple-pretty-print.c
index 4b3235e..62c315e 100644
--- a/gcc/gimple-pretty-print.c
+++ b/gcc/gimple-pretty-print.c
@@ -2093,7 +2093,7 @@ dump_gimple_bb_header (FILE *outf, basic_block bb, int indent, int flags)
gimple stmt = first_stmt (bb);
if (!stmt || gimple_code (stmt) != GIMPLE_LABEL)
{
- char *s_indent = (char *) alloca ((size_t) indent - 2 + 1);
+ char *s_indent = (char *) alloca ((size_t) indent + 1);
memset (s_indent, ' ', (size_t) indent);
s_indent[indent] = '\0';
fprintf (outf, "%s<bb %d>:\n", s_indent, bb->index);