From 0e40468809eddddfed4c7ae02de1ea4be8e7218e Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Tue, 4 Nov 2014 07:10:41 +0900
Subject: specify alignment specifier for GCC and MSC; ref #2630

---
 src/dump.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/dump.c b/src/dump.c
index ea19bee60..67dd82e43 100644
--- a/src/dump.c
+++ b/src/dump.c
@@ -1032,7 +1032,15 @@ mrb_dump_irep_cfunc(mrb_state *mrb, mrb_irep *irep, int debug_info, FILE *fp, co
       mrb_free(mrb, bin);
       return MRB_DUMP_WRITE_FAULT;
     }
-    if (fprintf(fp, "const uint8_t %s[] = {", initname) < 0) {
+    if (fprintf(fp,
+          "const uint8_t\n"
+          "#if defined __GNUC__\n"
+          "__attribute__((aligned(%zu)))\n"
+          "#elif defined _MSC_VER\n"
+          "__declspec(align(%zu))\n"
+          "#endif\n"
+         "%s[] = {",
+          MRB_DUMP_ALIGNMENT, MRB_DUMP_ALIGNMENT, initname) < 0) {
       mrb_free(mrb, bin);
       return MRB_DUMP_WRITE_FAULT;
     }
-- 
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