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| author | Eli Zaretskii <eliz@gnu.org> | 2017-10-31 21:08:35 +0200 |
|---|---|---|
| committer | Eli Zaretskii <eliz@gnu.org> | 2017-10-31 21:08:35 +0200 |
| commit | 41adf3281ef6386c539f1fb9d36c4fb3f643b77c (patch) | |
| tree | 7601515eb2e861e84fef1b158f6f2aa338473982 /src/alloc.c | |
| parent | 3e7ebbe1bd5d33476190c789d17e4dd2d5f1bdfb (diff) | |
| download | emacs-41adf3281ef6386c539f1fb9d36c4fb3f643b77c.tar.gz | |
Avoid duplicate calls to xfree for the same pointer
* src/alloc.c (sweep_symbols): Avoid freeing an already freed
pointer to a symbol's buffer-local value. (Bug#29066)
Diffstat (limited to 'src/alloc.c')
| -rw-r--r-- | src/alloc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/alloc.c b/src/alloc.c index d9d74856799..11afdfd7cc0 100644 --- a/src/alloc.c +++ b/src/alloc.c @@ -7024,7 +7024,9 @@ sweep_symbols (void) { if (!sym->s.gcmarkbit) { - if (sym->s.redirect == SYMBOL_LOCALIZED) + if (sym->s.redirect == SYMBOL_LOCALIZED + /* Already freed? */ + && !EQ (sym->s.function, Vdead)) xfree (SYMBOL_BLV (&sym->s)); sym->s.next = symbol_free_list; symbol_free_list = &sym->s; |