Bug#12710832 - PB2 DAILY-TRUNK BUILD FAILS ON SOLARIS X86_64

Compiler bug:
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6879978

Workaround is to always specify "-xOn".


cmake/build_configurations/mysql_release.cmake:
  Enable basic optimization for debug builds.

cmake/build_configurations/mysql_release.cmake

@@ -210,8 +210,8 @@ IF(UNIX)
       IF(CMAKE_SYSTEM_PROCESSOR MATCHES "i386")
         SET(COMMON_C_FLAGS                   "-g -mt -fsimple=1 -ftrap=%none -nofstore -xbuiltin=%all -xlibmil -xlibmopt -xtarget=generic")
         SET(COMMON_CXX_FLAGS                 "-g0 -mt -fsimple=1 -ftrap=%none -nofstore -xbuiltin=%all -features=no%except -xlibmil -xlibmopt -xtarget=generic")
-        SET(CMAKE_C_FLAGS_DEBUG              "${COMMON_C_FLAGS}")
-        SET(CMAKE_CXX_FLAGS_DEBUG            "${COMMON_CXX_FLAGS}")
+        SET(CMAKE_C_FLAGS_DEBUG              "-xO1 ${COMMON_C_FLAGS}")
+        SET(CMAKE_CXX_FLAGS_DEBUG            "-xO1 ${COMMON_CXX_FLAGS}")
         IF(32BIT)
           SET(CMAKE_C_FLAGS_RELWITHDEBINFO   "-xO2 ${COMMON_C_FLAGS}")
           SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-xO2 ${COMMON_CXX_FLAGS}")