scope_exit: Make constexpr

Allows the use of the macro in constexpr-contexts.
Also avoids some potential problems when nesting braces inside it.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/common/demangle.cpp b/src/common/demangle.cpp
index 6e117cb414..b2c9d126aa 100644
--- a/src/common/demangle.cpp
+++ b/src/common/demangle.cpp
@@ -20,7 +20,9 @@ std::string DemangleSymbol(const std::string& mangled) {
     }
 
     char* demangled = nullptr;
-    SCOPE_EXIT({ std::free(demangled); });
+    SCOPE_EXIT {
+        std::free(demangled);
+    };
 
     if (is_itanium(mangled)) {
         demangled = llvm::itaniumDemangle(mangled.c_str());