Use USE_NOEXECONLY workaround to make gcc 8 build while we're looking for

a proper fix. Also disable jump tables.

USE_NOEXECONLY suggested by jca
ok pascal

lang/gcc/8/Makefile

@@ -13,11 +13,12 @@ USE_LLD = No
 
 DPB_PROPERTIES = parallel
 
+USE_NOEXECONLY = Yes
+
 V = 8.4.0
 FULL_VERSION = $V
 FULL_PKGVERSION = $V
-REVISION = 12
-REVISION-main = 13
+REVISION = 14
 
 ADASTRAP-amd64 = adastrap-amd64-$V-1.tar.xz
 ADASTRAP-arm = adastrap-arm-4.9.4-0.tar.xz

lang/gcc/8/patches/patch-gcc_common_opt

@@ -59,6 +59,15 @@ Index: gcc/common.opt
  Process #ident directives.
  
  fif-conversion
+@@ -1779,7 +1787,7 @@ Common Report 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.
+ 
+ fkeep-inline-functions
 @@ -2387,7 +2395,7 @@ Common RejectNegative Joined Var(common_deferred_optio
  -fstack-limit-symbol=<name>	Trap if the stack goes past symbol <name>.