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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
This commit is contained in:
Martin Liska 2019-07-03 10:29:48 +02:00 committed by Martin Liska
parent 8e37c995c6
commit 22dfc3e89d
2 changed files with 9 additions and 2 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
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.

4
gcc/config/i386/host-mingw32.c
View File

@ -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;