Update version to 3.2.0RC4.

Bison changed the message for the end-of-file error. `mirb` should
be updated for the new message.

README.md

@@ -20,7 +20,7 @@ of the Ministry of Economy, Trade and Industry of Japan.
 
 ## How to get mruby
 
-The release candidate version 3.2.0 of mruby can be downloaded via the following URL: [https://github.com/mruby/mruby/archive/3.2.0-rc3.zip](https://github.com/mruby/mruby/archive/3.2.0-rc3.zip)
+The release candidate version 3.2.0 of mruby can be downloaded via the following URL: [https://github.com/mruby/mruby/archive/3.2.0-rc4.zip](https://github.com/mruby/mruby/archive/3.2.0-rc4.zip)
 
 The latest development version of mruby can be downloaded via the following URL: [https://github.com/mruby/mruby/zipball/master](https://github.com/mruby/mruby/zipball/master)
 

include/mruby/version.h

@@ -57,7 +57,7 @@ MRB_BEGIN_DECL
 /*
  * Patch level string. (optional)
  */
-#define MRUBY_PATCHLEVEL_STR "RC3"
+#define MRUBY_PATCHLEVEL_STR "RC4"
 
 #ifndef MRUBY_PATCHLEVEL_STR
 # if MRUBY_PATCHLEVEL < 0
@@ -85,12 +85,12 @@ MRB_BEGIN_DECL
 /*
  * Release month.
  */
-#define MRUBY_RELEASE_MONTH 1
+#define MRUBY_RELEASE_MONTH 2
 
 /*
  * Release day.
  */
-#define MRUBY_RELEASE_DAY 23
+#define MRUBY_RELEASE_DAY 8
 
 /*
  * Release date as a string.

mrbgems/mruby-bin-mirb/bintest/mirb.rb

@@ -7,6 +7,12 @@ assert('mirb normal operations') do
   assert_true o.include?('=> 2')
 end
 
+assert('mirb multi-line') do
+  o, s = Open3.capture2(cmd("mirb"), :stdin_data => "def a(b)\n return b\n end\na(1)\n")
+  assert_true o.include?('=> :a')
+  assert_true o.include?('=> 1')
+end
+
 assert('regression for #1563') do
   o, s = Open3.capture2(cmd("mirb"), :stdin_data => "a=1;b=2;c=3\nb\nc")
   assert_true o.include?('=> 3')

mrbgems/mruby-bin-mirb/tools/mirb/mirb.c

@@ -150,7 +150,7 @@ is_code_block_open(struct mrb_parser_state *parser)
 
   /* check if parser error are available */
   if (0 < parser->nerr) {
-    const char unexpected_end[] = "syntax error, unexpected $end";
+    const char unexpected_end[] = "syntax error, unexpected end of file";
     const char *message = parser->error_buffer[0].message;
 
     /* a parser error occur, we have to check if */