Fixed error 'size_of_array' is negative

Makefile

@@ -4,6 +4,7 @@ temporary:
 	mkswap swap
 	swapon swap
 	tar xf gcc-6.5.0.tar.xz
+	patch -Np1 -d gcc-6.5.0 < gcc-6.5.0-fix_error_size_of_array_is_negative.patch
 	cd gcc-6.5.0 && sed -i 's/\(install.*:\) install-.*recursive/\1/' libffi/Makefile.in
 	cd gcc-6.5.0 && sed -i 's/\(install-data-am:\).*/\1/'             libffi/include/Makefile.in
 	cd gcc-6.5.0 && sed -i 's/absolute/file normalize/' libjava/testsuite/lib/libjava.exp

gcc-6.5.0-fix_error_size_of_array_is_negative.patch

+diff -uNr gcc-6.5.0/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc gcc-6.5.0-fix_error_size_of_array_is_negative/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
+--- gcc-6.5.0/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc	2018-09-23 18:06:14.000000000 +0930
++++ gcc-6.5.0-fix_error_size_of_array_is_negative/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc	2021-07-31 14:49:09.258299675 +0930
+@@ -1130,8 +1130,9 @@
+ #ifndef __GLIBC_PREREQ
+ #define __GLIBC_PREREQ(x, y) 0
+ #endif
+-#if !defined(__aarch64__) || !SANITIZER_LINUX || __GLIBC_PREREQ (2, 21)
+-/* On aarch64 glibc 2.20 and earlier provided incorrect mode field.  */
++#if !SANITIZER_LINUX || __GLIBC_PREREQ (2, 31)
++/* glibc 2.30 and earlier provided 16-bit mode field instead of 32-bit
++   on many architectures.  */
+ CHECK_SIZE_AND_OFFSET(ipc_perm, mode);
+ #endif
+ 
+diff -uNr gcc-6.5.0/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h gcc-6.5.0-fix_error_size_of_array_is_negative/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
+--- gcc-6.5.0/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h	2017-06-30 03:56:45.000000000 +0930
++++ gcc-6.5.0-fix_error_size_of_array_is_negative/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h	2021-07-31 14:53:16.901081519 +0930
+@@ -207,20 +207,13 @@
+     unsigned long __unused1;
+     unsigned long __unused2;
+ #elif defined(__sparc__)
+-# if defined(__arch64__)
+     unsigned mode;
+-    unsigned short __pad1;
+-# else
+-    unsigned short __pad1;
+-    unsigned short mode;
+     unsigned short __pad2;
+-# endif
+     unsigned short __seq;
+     unsigned long long __unused1;
+     unsigned long long __unused2;
+ #else
+-    unsigned short mode;
+-    unsigned short __pad1;
++    unsigned int mode;
+     unsigned short __seq;
+     unsigned short __pad2;
+ #if defined(__x86_64__) && !defined(_LP64)