use USE_NOEXECONLY and disable jump tables so gcc-11 builds and passes tests

OK tb@

lang/gcc/11/Makefile

@@ -13,11 +13,12 @@ ONLY_FOR_ARCHS-dlang = aarch64 amd64 arm i386 powerpc powerpc64
 
 DPB_PROPERTIES = parallel
 
+USE_NOEXECONLY = Yes
+
 V = 11.2.0
 FULL_VERSION = $V
 FULL_PKGVERSION = $V
-REVISION = 3
-REVISION-dlang = 4
+REVISION = 5
 
 ADASTRAP-amd64 = adastrap-amd64-$V-2.tar.xz
 ADASTRAP-arm = adastrap-arm-4.9.4-0.tar.xz

lang/gcc/11/patches/patch-gcc_common_opt

@@ -59,6 +59,15 @@ Index: gcc/common.opt
  Process #ident directives.
  
  fif-conversion
+@@ -1941,7 +1949,7 @@ Common Var(flag_ivopts) Init(1) Optimization
+ Optimize induction variables on trees.
+ 
+ fjump-tables
+-Common Var(flag_jump_tables) Init(1) Optimization
++Common Var(flag_jump_tables) Init(0) Optimization
+ Use jump tables for sufficiently large switch statements.
+ 
+ fbit-tests
 @@ -2627,7 +2635,7 @@ Common RejectNegative Joined Var(common_deferred_optio
  -fstack-limit-symbol=<name>	Trap if the stack goes past symbol <name>.