exceptions: use const char* what() instead of String description()

1 files changed, 1 insertions, 1 deletions

diff --git a/src/assert.cc b/src/assert.cc
index 4bd51a04..0e316be8 100644
--- a/src/assert.cc
+++ b/src/assert.cc
@@ -13,7 +13,7 @@ struct assert_failed : logic_error
     assert_failed(const String& message)
         : m_message(message) {}
 
-    String description() const override { return m_message; }
+    const char* what() const override { return m_message.c_str(); }
 private:
     String m_message;
 };