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-rw-r--r--gcc/cp/mangle.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/cp/mangle.c b/gcc/cp/mangle.c
index 5c45a9137f1..7353cf881ad 100644
--- a/gcc/cp/mangle.c
+++ b/gcc/cp/mangle.c
@@ -1245,6 +1245,9 @@ write_type (type)
MANGLE_TRACE_TREE ("type", type);
+ if (type == error_mark_node)
+ return;
+
if (find_substitution (type))
return;
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