From 7b6c7f4f40c21711df2307f3da56e11751653237 Mon Sep 17 00:00:00 2001 From: paolo Date: Wed, 9 Nov 2011 17:26:37 +0000 Subject: 2011-11-09 Paolo Carlini PR preprocessor/51061 * incpath.c (merge_include_chains): Make sure to not pass null pointers to free_path. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181216 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/incpath.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'gcc/incpath.c') diff --git a/gcc/incpath.c b/gcc/incpath.c index aab6e15ab1a..07a765f3fc0 100644 --- a/gcc/incpath.c +++ b/gcc/incpath.c @@ -362,8 +362,10 @@ merge_include_chains (const char *sysroot, cpp_reader *pfile, int verbose) void split_quote_chain (void) { - free_path (heads[QUOTE], REASON_QUIET); - free_path (tails[QUOTE], REASON_QUIET); + if (heads[QUOTE]) + free_path (heads[QUOTE], REASON_QUIET); + if (tails[QUOTE]) + free_path (tails[QUOTE], REASON_QUIET); heads[QUOTE] = heads[BRACKET]; tails[QUOTE] = tails[BRACKET]; heads[BRACKET] = NULL; -- cgit v1.2.1