Merge the fix for bug#42213 into 5.0-build.

52c95d0c · Joerg Bruehe · f73eac9e · 60021617 · 52c95d0c
Commit 52c95d0c authored Jul 30, 2009 by Joerg Bruehe
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config/ac-macros/misc.m4 config/ac-macros/misc.m4 +4 -0

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--- a/config/ac-macros/misc.m4
+++ b/config/ac-macros/misc.m4
@@ -583,6 +583,10 @@ fi
 AC_DEFUN([MYSQL_STACK_DIRECTION],
 [AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction,
 [AC_TRY_RUN([#include <stdlib.h>
+ /* Prevent compiler optimization by HP's compiler, see bug#42213 */
+#if defined(__HP_cc) || defined (__HP_aCC) || defined (__hpux)
+#pragma noinline
+#endif
 int find_stack_direction ()
 {
   static char *addr = 0;