toolchain/gcc: Add GCC 10.1.0 patches

Compared to GCC 9:

870-ppc_no_crtsavres.patch changes moved to another file following upstream
881-no_tm_section.patch keep the tm section disabled

patches refreshed to apply cleanly

See https://gcc.gnu.org/gcc-10/porting_to.html for more info

Compiled and run tested on x86_64

Signed-off-by: Syrone Wong <wong.syrone@gmail.com>

toolchain/gcc/patches/10.1.0/910-mbsd_multi.patch

@@ -27,7 +27,7 @@ Date:   Tue Jul 31 00:52:27 2007 +0000
  static void handle_OPT_d (const char *);
  static void set_std_cxx98 (int);
  static void set_std_cxx11 (int);
-@@ -452,6 +455,12 @@ c_common_handle_option (size_t scode, co
+@@ -455,6 +458,12 @@ c_common_handle_option (size_t scode, co
        flag_no_builtin = !value;
        break;
  
@@ -40,7 +40,7 @@ Date:   Tue Jul 31 00:52:27 2007 +0000
      case OPT_fconstant_string_class_:
        constant_string_class_name = arg;
        break;
-@@ -1138,6 +1147,47 @@ c_common_init (void)
+@@ -1168,6 +1177,47 @@ c_common_init (void)
        return false;
      }
  
@@ -90,9 +90,9 @@ Date:   Tue Jul 31 00:52:27 2007 +0000
  
 --- a/gcc/c-family/c.opt
 +++ b/gcc/c-family/c.opt
-@@ -1521,6 +1521,9 @@ C++ ObjC++ Optimization Alias(fexception
+@@ -1590,6 +1590,9 @@ C++ ObjC++ Optimization Alias(fexception
  fhonor-std
- C++ ObjC++ Deprecated
+ C++ ObjC++ WarnRemoved
  
 +fhonour-copts
 +C ObjC C++ ObjC++ RejectNegative
@@ -102,7 +102,7 @@ Date:   Tue Jul 31 00:52:27 2007 +0000
  Assume normal C execution environment.
 --- a/gcc/common.opt
 +++ b/gcc/common.opt
-@@ -1589,6 +1589,9 @@ fguess-branch-probability
+@@ -1657,6 +1657,9 @@ fguess-branch-probability
  Common Report Var(flag_guess_branch_prob) Optimization
  Enable guessing of branch probabilities.
  
@@ -114,7 +114,7 @@ Date:   Tue Jul 31 00:52:27 2007 +0000
  ; On SVR4 targets, it also controls whether or not to emit a
 --- a/gcc/doc/invoke.texi
 +++ b/gcc/doc/invoke.texi
-@@ -7666,6 +7666,17 @@ This option is only supported for C and
+@@ -8169,6 +8169,17 @@ This option is only supported for C and
  @option{-Wall} and by @option{-Wpedantic}, which can be disabled with
  @option{-Wno-pointer-sign}.
  
@@ -134,7 +134,7 @@ Date:   Tue Jul 31 00:52:27 2007 +0000
  @opindex Wno-stack-protector
 --- a/gcc/opts.c
 +++ b/gcc/opts.c
-@@ -2314,6 +2314,9 @@ common_handle_option (struct gcc_options
+@@ -2308,6 +2308,9 @@ common_handle_option (struct gcc_options
        /* Currently handled in a prescan.  */
        break;