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fix build for MRB_NO_BOXING + MRB_INT64 on 32-bit

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- array.h: disable embedded arrays when MRB_INT64 makes mrb_value
  too large to embed (fixes MRB_ARY_EMBED_LEN_MAX assertion)
- error.h: enable MRB_USE_RBREAK_VALUE_UNION for all 32-bit
  no-boxing builds (MRB_USE_FLOAT32 is irrelevant without
  word/nan boxing)
- gc.c: restrict RVALUE 8-byte alignment padding to
  MRB_WORD_BOXING builds (fixes RVALUE size assertion)
- vm.c: guard direct ary->as.ary access with MRB_ARY_NO_EMBED

Fixes #6722.

Co-authored-by: Claude <noreply@anthropic.com>
This commit is contained in:
Yukihiro "Matz" Matsumoto
2026-02-25 10:02:21 +09:00
parent 8df9a22a85
commit 06bce53132
4 changed files with 12 additions and 6 deletions
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include/mruby/array.h
+1 -1
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@@ -20,7 +20,7 @@ typedef struct mrb_shared_array {
mrb_value *ptr;
} mrb_shared_array;
#if defined(MRB_32BIT) && defined(MRB_NO_BOXING) && !defined(MRB_USE_FLOAT32) && !defined(MRB_ARY_NO_EMBED)
#if defined(MRB_32BIT) && defined(MRB_NO_BOXING) && (!defined(MRB_USE_FLOAT32) || defined(MRB_INT64)) && !defined(MRB_ARY_NO_EMBED)
# define MRB_ARY_NO_EMBED
#endif