From: Alan Modra <amodra@gmail.com>
Date: Tue, 12 Apr 2022 12:20:09 +0000 (+0930)
Subject: ubsan: member access within null pointer of union
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=10c0005660cda5ff317da5834e919ce99e517c0e;p=binutils-gdb.git

ubsan: member access within null pointer of union

Add some nonsense to cover "undefined behaviour".

	* ldlang.c (section_for_dot): Avoid UB.
---

diff --git a/ld/ldlang.c b/ld/ldlang.c
index 1c8d229326c..f10557af842 100644
--- a/ld/ldlang.c
+++ b/ld/ldlang.c
@@ -6726,7 +6726,7 @@ section_for_dot (void)
 	if (stmt->header.type == lang_output_section_statement_enum)
 	  break;
 
-      os = &stmt->output_section_statement;
+      os = stmt ? &stmt->output_section_statement : NULL;
       while (os != NULL
 	     && !os->after_end
 	     && (os->bfd_section == NULL