From 8a5f2c6f8c8774e18dbd55afb674020ef0106005 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf@nereid.pl>
Date: Sat, 12 Sep 2026 19:52:27 +0200
Subject: [PATCH] Show error dialogs instead of aborting the page on trace load
 errors.

Exception catching was off by default in the web build, so the
try/catch handlers around trace loading were dead code and any
failure unwound through the page.
---
 profiler/CMakeLists.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/profiler/CMakeLists.txt b/profiler/CMakeLists.txt
index ae4e1827..1baa3ce4 100644
--- a/profiler/CMakeLists.txt
+++ b/profiler/CMakeLists.txt
@@ -358,6 +358,7 @@ if(NOT EMSCRIPTEN)
 endif()
 
 if(EMSCRIPTEN)
+    target_compile_options(${PROJECT_NAME} PRIVATE -sDISABLE_EXCEPTION_CATCHING=0)
     target_link_options(${PROJECT_NAME} PRIVATE
         -pthread
         -sASSERTIONS=0
@@ -369,6 +370,7 @@ if(EMSCRIPTEN)
         -sEXPORTED_FUNCTIONS=_main,_nativeOpenFile,_tracy_paste_clipboard
         -sEXPORTED_RUNTIME_METHODS=ccall
         -sENVIRONMENT=web,worker
+        -sDISABLE_EXCEPTION_CATCHING=0
         "--pre-js;${CMAKE_CURRENT_LIST_DIR}/wasm/url_trace_pre.js"
         --preload-file embed.tracy
     )