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| author | Martin Liska <mliska@suse.cz> | 2019-07-03 10:29:48 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2019-07-03 08:29:48 +0000 |
| commit | 22dfc3e89d23070a7f46dd8a12b2fde201585353 (patch) | |
| tree | 57dd11e7e3041e6f9272bad99ad367d4bc2006ed /gcc | |
| parent | 8e37c995c69b40b3cc3ec015e6bbfe0567a020a0 (diff) | |
| download | gcc-22dfc3e89d23070a7f46dd8a12b2fde201585353.zip gcc-22dfc3e89d23070a7f46dd8a12b2fde201585353.tar.gz gcc-22dfc3e89d23070a7f46dd8a12b2fde201585353.tar.bz2 | |
Fix use-after-scope in host-mingw32.c (PR target/88056).
2019-07-03 Martin Liska <mliska@suse.cz>
PR target/88056
* config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
Define local_object_name in outer scope in order to handle
use-after-scope issue.
From-SVN: r272991
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/i386/host-mingw32.c | 4 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ca9ca7b..3d1a07a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,12 @@ 2019-07-03 Martin Liska <mliska@suse.cz> + PR target/88056 + * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): + Define local_object_name in outer scope in order to handle + use-after-scope issue. + +2019-07-03 Martin Liska <mliska@suse.cz> + * common.opt: Add fprofile-note. * coverage.c (coverage_init): Append the option to bbg_file_name. diff --git a/gcc/config/i386/host-mingw32.c b/gcc/config/i386/host-mingw32.c index f2b56d7..3254d02 100644 --- a/gcc/config/i386/host-mingw32.c +++ b/gcc/config/i386/host-mingw32.c @@ -157,10 +157,10 @@ mingw32_gt_pch_use_address (void *addr, size_t size, int fd, /* Determine the version of Windows we are running on and use a uniquely-named local object if running > 4. */ GetVersionEx (&version_info); + + char local_object_name[sizeof (OBJECT_NAME_FMT) + sizeof (DWORD) * 2]; if (version_info.dwMajorVersion > 4) { - char local_object_name [sizeof (OBJECT_NAME_FMT) - + sizeof (DWORD) * 2]; snprintf (local_object_name, sizeof (local_object_name), OBJECT_NAME_FMT "%lx", GetCurrentProcessId()); object_name = local_object_name; |