gdb/gdb-fix-selftest-fails-with-gdb-build-with-O2-flto.patch

Fix selftest FAILs with gdb build with -O2 -flto

---
 gdb/complaints.h                   | 5 +++--
 gdb/main.c                         | 5 +++++
 gdb/testsuite/gdb.gdb/selftest.exp | 2 +-
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/gdb/complaints.h b/gdb/complaints.h
index 6ad056d257..cac09ff573 100644
--- a/gdb/complaints.h
+++ b/gdb/complaints.h
@@ -42,9 +42,10 @@ extern int stop_whining;
   while (0)
 
 /* Clear out / initialize all complaint counters that have ever been
-   incremented.  */
+   incremented.  Prevent inlining this function for the benefit of GDB's
+   selftests in the testsuite.  */
 
-extern void clear_complaints ();
+extern void clear_complaints ()  __attribute__((noinline));
 
 
 #endif /* !defined (COMPLAINTS_H) */
diff --git a/gdb/main.c b/gdb/main.c
index 19bbb92388..9d35f9baa8 100644
--- a/gdb/main.c
+++ b/gdb/main.c
@@ -1235,6 +1235,11 @@ captured_main_1 (struct captured_main_args *context)
     }
 }
 
+/* Prevent inlining this function for the benefit of GDB's selftests in the
+   testsuite.  */
+
+static void captured_main (void *data) __attribute__((noinline));
+
 static void
 captured_main (void *data)
 {
diff --git a/gdb/testsuite/gdb.gdb/selftest.exp b/gdb/testsuite/gdb.gdb/selftest.exp
index 43043e58ea..992d79f5cf 100644
--- a/gdb/testsuite/gdb.gdb/selftest.exp
+++ b/gdb/testsuite/gdb.gdb/selftest.exp
@@ -143,7 +143,7 @@ proc test_with_self { } {
     setup_xfail "i*86-pc-linuxaout-gnu"
     set description "backtrace through signal handler"
     gdb_test_multiple "backtrace" "$description" {
-	-re "#0.*(read|poll).*in main \\(.*\\) at .*gdb\\.c.*$gdb_prompt $" {
+	-re "#0.*(read|poll).* main \\(.*\\) at .*gdb\\.c.*$gdb_prompt $" {
 	    pass "$description"
 	}
     }