Update the toolchain

Rakefile

@@ -21,13 +21,13 @@ CLEAN.include '.dub'
 rule(/build\/riscv\/[^\/\.]+$/ => ->(file) { test_for_out(file, '.o') }) do |t|
   sh '/opt/riscv/bin/riscv32-unknown-elf-ld',
     '-o', t.name,
-    '-L/opt/riscv/lib/gcc/riscv32-unknown-elf/11.1.0',
+    '-L/opt/riscv/lib/gcc/riscv32-unknown-elf/13.2.0/',
     '-L/opt/riscv/riscv32-unknown-elf/lib',
     '/opt/riscv/riscv32-unknown-elf/lib/crt0.o',
-    '/opt/riscv/lib/gcc/riscv32-unknown-elf/11.1.0/crtbegin.o',
+    '/opt/riscv/lib/gcc/riscv32-unknown-elf/13.2.0/crtbegin.o',
     t.source,
     '--start-group', '-lgcc', '-lc', '-lgloss', '--end-group',
-    '/opt/riscv/lib/gcc/riscv32-unknown-elf/11.1.0/crtend.o'
+    '/opt/riscv/lib/gcc/riscv32-unknown-elf/13.2.0/crtend.o'
 end
 
 rule(/build\/riscv\/.+\.o$/ => ->(file) { test_for_object(file, '.eln') }) do |t|
@@ -36,7 +36,7 @@ rule(/build\/riscv\/.+\.o$/ => ->(file) { test_for_object(file, '.eln') }) do |t
 end
 
 file BINARY => SOURCES do |t|
-  sh({ 'DFLAGS' => (DFLAGS * ' ') }, 'dub', 'build', '--compiler=gdc-12')
+  sh({ 'DFLAGS' => (DFLAGS * ' ') }, 'dub', 'build', '--compiler=gdc')
 end
 
 task default: BINARY
@@ -55,6 +55,7 @@ task test: BINARY do
     if test.include? '/riscv/'
       spike = [
         '/opt/riscv/bin/spike',
+        '--isa=RV32IMAC',
         '/opt/riscv/riscv32-unknown-elf/bin/pk',
         test
       ]

dub.json

@@ -1,6 +1,6 @@
 {
 	"dependencies": {
-		"tanya": "~>0.18.0"
+		"tanya": "~>0.19.0"
 	},
 	"name": "elna",
 	"targetType": "executable",