Fixed compiler errors and warnings

extra/jemalloc/src/ctl.c:
  Fixed compiler warning
include/mysql/service_logger.h:
  Fixed compile failure with clang compiler
storage/maria/ma_check.c:
  Fixed compiler warning
support-files/compiler_warnings.supp:
  Suppressed warnings in jemalloc
tests/bug25714.c:
  Fixed compiler warning

extra/jemalloc/src/ctl.c

@@ -1109,7 +1109,7 @@ epoch_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
     void *newp, size_t newlen)
 {
 	int ret;
-	uint64_t newval;
+	uint64_t newval __attribute__((unused));
 
 	malloc_mutex_lock(&ctl_mtx);
 	WRITE(newval, uint64_t);

include/mysql/service_logger.h

@@ -80,7 +80,7 @@ extern struct logger_service_st {
 #define logger_rotate(log) (logger_service->rotate(log))
 #define logger_vprintf(log, fmt, argptr) (logger_service->\
     vprintf(log, fmt, argptr))
-#define logger_printf logger_service->printf
+#define logger_printf (*logger_service->printf)
 #define logger_write(log, buffer, size) \
   (logger_service->write(log, buffer, size))
 #else

storage/maria/ma_check.c

@@ -1862,6 +1862,8 @@ static int check_block_record(HA_CHECK *param, MARIA_HA *info, int extend,
     uint UNINIT_VAR(row_count), real_row_count, empty_space, page_type, bitmap_pattern;
     uint bitmap_for_page;
 
+    LINT_INIT(empty_space);
+
     if (_ma_killed_ptr(param))
     {
       _ma_scan_end_block_record(info);

support-files/compiler_warnings.supp

@@ -160,6 +160,11 @@ include/pwdbased\.hpp: comparison of unsigned expression
 /usr/include/sys/feature_tests.h : this is the location of the previous definition
 .*auth_pam\.c : initialization from incompatible pointer type : 100-200
 
+#
+# jemalloc
+#
+jemalloc/src/jemalloc\.c: always_inline function might not be inlinable
+
 #
 # Unexplanable (?) stuff
 #

tests/bug25714.c

@@ -23,7 +23,7 @@
 int main (int argc, char **argv)
 {
   MYSQL conn;
-  int OK;
+  int OK __attribute__((unused));
 
   const char* query4= "INSERT INTO federated.t1 SET Value=54";
   const char* query5= "INSERT INTO federated.t1 SET Value=55";