Ensure that global context is not reused with a mismatched evm version

ethereum · Jan 18, 2024 · 652696a · 652696a
1 parent b7c4131
commit 652696a
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/libsolidity/interface/CompilerStack.cpp b/libsolidity/interface/CompilerStack.cpp
@@ -235,6 +235,9 @@ void CompilerStack::setEVMVersion(langutil::EVMVersion _version)
 	if (m_stackState >= ParsedAndImported)
 		solThrow(CompilerError, "Must set EVM version before parsing.");
 	m_evmVersion = _version;
+	// GlobalContext depends on evmVersion since the Cancun hardfork.
+	// Therefore, we reset it whenever we set a new EVM version, ensuring that the context is never reused with a mismatched version.
+	m_globalContext.reset();
 }
 
 void CompilerStack::setEOFVersion(std::optional<uint8_t> _version)