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| author | Paul Eggert <eggert@cs.ucla.edu> | 2018-10-30 21:14:10 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2018-10-30 21:17:33 -0700 |
| commit | 1ad2903a48b682985a2bd0709ec05f67a1351a8e (patch) | |
| tree | 110cc95a934fbb76aeb64eceeed4775d209aac4c | |
| parent | eb903d8f20ab0c31daa27a08b0acfd30115c7b5e (diff) | |
| download | emacs-1ad2903a48b682985a2bd0709ec05f67a1351a8e.tar.gz | |
Refer to bytecode constant vectors (Bug#33014)
Backport from master.
* src/bytecode.c (exec_byte_code): Save VECTOR into stack slot
so that it survives GC. The stack slot was otherwise unused,
so this doesn’t cost us memory, only a store insn.
| -rw-r--r-- | src/bytecode.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/bytecode.c b/src/bytecode.c index e51f9095b36..538cd4f3ca7 100644 --- a/src/bytecode.c +++ b/src/bytecode.c @@ -367,6 +367,7 @@ exec_byte_code (Lisp_Object bytestr, Lisp_Object vector, Lisp_Object maxdepth, SAFE_ALLOCA_LISP_EXTRA (stack_base, stack_items, bytestr_length); Lisp_Object *stack_lim = stack_base + stack_items; Lisp_Object *top = stack_base; + *top = vector; /* Ensure VECTOR survives GC (Bug#33014). */ memcpy (stack_lim, SDATA (bytestr), bytestr_length); void *void_stack_lim = stack_lim; unsigned char const *bytestr_data = void_stack_lim; |