From 1313111fdec0d0de4228b5e839ca728b3e4b106e Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Mon, 30 Aug 2021 09:55:59 +0200 Subject: [PATCH] Make sure -fexceptions is enabled when -fnon-call-exceptions is This makes -fexceptions enabled by -fnon-call-exceptions, removing the odd state of !flag_exceptions && flag_non_call_exceptions from middle-end consideration. 2021-08-30 Richard Biener * common.opt (fexceptions): Mark EnabledBy(fnon-call-exceptions). * doc/invoke.texi (fnon-call-exceptions): Document this enables -fexceptions. --- gcc/common.opt | 2 +- gcc/doc/invoke.texi | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/gcc/common.opt b/gcc/common.opt index ed8ab5fbe13..7d69ab5ef7c 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -1509,7 +1509,7 @@ Common Var(flag_emit_class_debug_always) Init(0) Do not suppress C++ class debug information. fexceptions -Common Var(flag_exceptions) Optimization +Common Var(flag_exceptions) Optimization EnabledBy(fnon-call-exceptions) Enable exception handling. fexpensive-optimizations diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index b83bd902cec..f7bb193b51d 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -16410,7 +16410,8 @@ Note that this requires platform-specific runtime support that does not exist everywhere. Moreover, it only allows @emph{trapping} instructions to throw exceptions, i.e.@: memory references or floating-point instructions. It does not allow exceptions to be thrown from -arbitrary signal handlers such as @code{SIGALRM}. +arbitrary signal handlers such as @code{SIGALRM}. This enables +@option{-fexceptions}. @item -fdelete-dead-exceptions @opindex fdelete-dead-exceptions