gas: Fix internal error in S_SET_SEGMENT

[thirdparty/binutils-gdb.git] / gas / config / obj-elf.c

diff --git a/gas/config/obj-elf.c b/gas/config/obj-elf.c
index de22b5a1da807ae232458ca1357dc1c8b9f1b892..c11a1da229592c7c017074ee942d0c8aa5ffae89 100644 (file)
--- a/gas/config/obj-elf.c
+++ b/gas/config/obj-elf.c
@@ -759,7 +759,14 @@ obj_elf_change_section (const char *name,
       /* Add a symbol for this section to the symbol table.  */
       secsym = symbol_find (name);
       if (secsym != NULL)
-       symbol_set_bfdsym (secsym, sec->symbol);
+       {
+         /* We could be repurposing an undefined symbol here: make sure we
+            reset sy_value to look like other section symbols in order to avoid
+            trying to incorrectly resolve this section symbol later on.  */
+         static const expressionS expr = { .X_op = O_constant };
+         symbol_set_value_expression (secsym, &expr);
+         symbol_set_bfdsym (secsym, sec->symbol);
+       }
       else
        symbol_table_insert (section_symbol (sec));
     }