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| author | Paolo Carlini <paolo.carlini@oracle.com> | 2011-11-09 17:26:37 +0000 |
|---|---|---|
| committer | Paolo Carlini <paolo@gcc.gnu.org> | 2011-11-09 17:26:37 +0000 |
| commit | 9b5e84de9db21d613c12f6bf9d4907b8aae05242 (patch) | |
| tree | 9221dcf165ed82113e5ea78e31f03e27b13da4a6 /gcc/incpath.c | |
| parent | e8089b4a9d21a6bbd5f17443fde6335fecee3730 (diff) | |
| download | gcc-9b5e84de9db21d613c12f6bf9d4907b8aae05242.zip gcc-9b5e84de9db21d613c12f6bf9d4907b8aae05242.tar.gz gcc-9b5e84de9db21d613c12f6bf9d4907b8aae05242.tar.bz2 | |
re PR preprocessor/51061 (Deprecated -I- option causes segfault)
2011-11-09 Paolo Carlini <paolo.carlini@oracle.com>
PR preprocessor/51061
* incpath.c (merge_include_chains): Make sure to not pass null
pointers to free_path.
From-SVN: r181216
Diffstat (limited to 'gcc/incpath.c')
| -rw-r--r-- | gcc/incpath.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/incpath.c b/gcc/incpath.c index aab6e15..07a765f 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; |