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-rw-r--r--frontends/ast/simplify.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index f61f7cf7c..c454fb907 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -2638,6 +2638,7 @@ AstNode *AstNode::readmem(bool is_readmemh, std::string mem_filename, AstNode *m
std::ifstream f;
f.open(mem_filename.c_str());
+ yosys_input_files.insert(mem_filename);
if (f.fail())
log_error("Can not open file `%s` for %s at %s:%d.\n", mem_filename.c_str(), str.c_str(), filename.c_str(), linenum);