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authorAlan Modra <amodra@gmail.com>2020-05-18 13:30:59 +0930
committerAlan Modra <amodra@gmail.com>2020-05-18 17:49:31 +0930
commit3730a015c05cde8d151f94bef20e43ea2bf96ccc (patch)
treee6f6c954631c03c9ccb3fc191fa6bc2763702823
parent47bb52072023bfc8238e7a4e44dcf35fccf3059e (diff)
downloadbinutils-gdb-3730a015c05cde8d151f94bef20e43ea2bf96ccc.tar.gz
Re: Fix tight loop on recursively-defined symbols
sy_resolving ought to not be set for a struct local_symbol, but it is apparent from local_symbol_make that the field is not initialised. * symbols.c (resolve_symbol_value): Invoke LOCAL_SYMBOL_CHECK before looking at add_symbol->sy_flags.sy_resolving. (cherry picked from commit d402189f2faa0aaa9fb8ad4669fdf0059946cd8a)
-rw-r--r--gas/ChangeLog5
-rw-r--r--gas/symbols.c1
2 files changed, 6 insertions, 0 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 27345056482..3c9ab9d44c3 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2020-05-18 Alan Modra <amodra@gmail.com>
+
+ * symbols.c (resolve_symbol_value): Invoke LOCAL_SYMBOL_CHECK
+ before looking at add_symbol->sy_flags.
+
2020-05-15 Alan Modra <amodra@gmail.com>
Alex Coplan <alex.coplan@arm.com>
diff --git a/gas/symbols.c b/gas/symbols.c
index c1782661087..774afd3036d 100644
--- a/gas/symbols.c
+++ b/gas/symbols.c
@@ -1387,6 +1387,7 @@ resolve_symbol_value (symbolS *symp)
/* Don't leave symbol loops. */
if (finalize_syms
+ && !LOCAL_SYMBOL_CHECK (add_symbol)
&& add_symbol->sy_flags.sy_resolving)
break;