diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/symtab.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/symtab.c b/lib/symtab.c index 9a833a14..adc21e73 100644 --- a/lib/symtab.c +++ b/lib/symtab.c @@ -86,7 +86,7 @@ * If there are no references to the symbol, the symbol entry is released. * If there are references to the symbol, it is preserved (as an orphan) until * all references are unset. The value of an orphaned symbol should not be - * changed. + * changed (but may be unset, since it is already unset). * * There are two, parallel mechanisms for keeping track of references to a * symbol: @@ -880,7 +880,8 @@ symbol_set_value(symbol sym, void* new_value) { void* old_value ; - assert(sym->table != NULL) ; /* may not set value for orphan symbol ! */ + assert((sym->table != NULL) || (new_value == NULL)) ; + /* may not set non-NULL value for orphan symbol ! */ old_value = sym->value ; sym->value = new_value ; |