Bug#52208: gis fails on some platforms (Solaris, HP-UX, Linux)

On [Open]Solaris/x86 the FPU was not switched to 64-bit double
precision mode when the server binary was built with Sun
Studio. That caused GIS test failures due to differences in
expected and actual results.

mysql-test/collections/default.experimental

@@ -9,7 +9,6 @@ funcs_1.myisam_views @solaris            # Bug#50595 2010-03-05 alik funcs_1.myi
 innodb.innodb_information_schema         # Bug#48883 2010-05-11 alik Test "innodb_information_schema" takes fewer locks than expected
 
 main.func_math @freebsd                  # Bug#43020 2010-05-04 alik main.func_math fails on FreeBSD in PB2
-main.gis @solaris                        # Bug#52208 2010-04-26 alik gis fails on some platforms (Solaris, HP-UX, Linux)
 main.gis-rtree @freebsd                  # Bug#38965 2010-05-04 alik test cases gis-rtree, type_float, type_newdecimal fail in embedded server
 main.information_schema                  # Bug#47449 2009-09-19 alik main.information_schema and innodb.innodb_information_schema fail sporadically
 main.lock_multi_bug38499                 # Bug#47448 2009-09-19 alik main.lock_multi_bug38499 times out sporadically

sql/mysqld.cc

@@ -224,9 +224,9 @@ typedef fp_except fp_except_t;
 # define fpu_control_t unsigned int
 # define _FPU_EXTENDED 0x300
 # define _FPU_DOUBLE 0x200
-# ifdef __GNUC__
-#  define _FPU_GETCW(cw) __asm__ __volatile__("fnstcw %0" : "=m" (*&cw))
-#  define _FPU_SETCW(cw) __asm__ __volatile__("fldcw %0" : : "m" (*&cw))
+# if defined(__GNUC__) || defined(__SUNPRO_CC)
+#  define _FPU_GETCW(cw) asm volatile ("fnstcw %0" : "=m" (*&cw))
+#  define _FPU_SETCW(cw) asm volatile ("fldcw %0" : : "m" (*&cw))
 # else
 #  define _FPU_GETCW(cw) (cw= 0)
 #  define _FPU_SETCW(cw)