From 545a3417c81d454071b8d39b6ac88258ceb891a3 Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Wed, 10 Aug 2022 11:38:50 +0200
Subject: resetall does not affect text defines, but undefineall does

---
 frontends/verilog/preproc.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/frontends/verilog/preproc.cc b/frontends/verilog/preproc.cc
index 883531e78..9781a22d9 100644
--- a/frontends/verilog/preproc.cc
+++ b/frontends/verilog/preproc.cc
@@ -961,6 +961,10 @@ frontend_verilog_preproc(std::istream                 &f,
 		}
 
 		if (tok == "`resetall") {
+			continue;
+		}
+
+		if (tok == "`undefineall" && sv_mode) {
 			defines.clear();
 			global_defines_cache.clear();
 			continue;
-- 
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