Print nicer error messages for uncaught exceptions

src/Makefile

@@ -21,7 +21,7 @@ NODEPS:=clean distclean
 
 # Default settings
 STD=-std=c99 -pedantic -DREDIS_STATIC=''
-CXX_STD=-std=c++14 -pedantic -fno-rtti -fno-exceptions -D__STDC_FORMAT_MACROS  
+CXX_STD=-std=c++14 -pedantic -fno-rtti -D__STDC_FORMAT_MACROS  
 ifneq (,$(findstring clang,$(CC)))
 ifneq (,$(findstring FreeBSD,$(uname_S)))
   STD+=-Wno-c11-extensions

src/server.cpp

@@ -4917,6 +4917,16 @@ void incrementMvccTstamp()
     }
 }
 
+void OnTerminate()
+{
+    /* Any uncaught exception will call std::terminate().
+        We want this handled like a segfault (printing the stack trace etc).
+        The easiest way to achieve that is to acutally segfault, so we assert
+        here.
+    */
+    serverAssert(false);
+}
+
 void *workerThreadMain(void *parg)
 {
     int iel = (int)((int64_t)parg);
@@ -4937,6 +4947,8 @@ int main(int argc, char **argv) {
     struct timeval tv;
     int j;
 
+    std::set_terminate(OnTerminate);
+
 #ifdef USE_MEMKIND
     storage_init(NULL, 0);
 #endif