Author: Ole Streicher <olebole@debian.org>
Description: Work around a weird optimization bug in armhf
 Without this patch, compilation on armhf fails with
 .
  /tmp/ccJsRMs3.s: Assembler messages:
  /tmp/ccJsRMs3.s:21403: Warning: base register written back, and overlaps one of transfer registers
  /tmp/ccJsRMs3.s:28133: Error: registers may not be the same -- `str r3,[r3],#4'
  /tmp/ccJsRMs3.s:28971: Warning: base register written back, and overlaps one of transfer registers
 .
 on gcc-4.9.4. See
 https://buildd.debian.org/status/fetch.php?pkg=starlink-ast&arch=armhf&ver=8.0.2%2Bdfsg-1&stamp=1414223014
 as example.
 .
 The error appears with MAKE_MASK(F, float), while the warnings are with
 MAKE_MASK(D, double) and MAKE_MASK(LD, long double).
--- a/region.c
+++ b/region.c
@@ -228,6 +228,7 @@
 *     usually extend astSimplify.
 
 */
+#pragma GCC optimize ("no-expensive-optimizations")
 
 /* Module Macros. */
 /* ============== */