From de8a29bd84343e659e1d15583a6071a59b36fbd3 Mon Sep 17 00:00:00 2001 From: Martin Sebor Date: Sun, 8 Apr 2018 10:14:31 -0600 Subject: [PATCH] invoke.texi (-Wrestrict, [...]): Tweak text. gcc/ChangeLog: * invoke.texi (-Wrestrict, -fprintf-return-value): Tweak text. From-SVN: r259224 --- gcc/doc/invoke.texi | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index bb52f55..52ba3d4 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -6829,12 +6829,12 @@ void foo (void) @{ char a[] = "abcd1234"; strcpy (a, a + 4); - … + @dots{} @} @end smallexample The @option{-Wrestrict} option detects some instances of simple overlap -even without optimization but works best at @option{-O2}. It is included -in @option{-Wall}. +even without optimization but works best at @option{-O2} and above. It +is included in @option{-Wall}. @item -Wnested-externs @r{(C and Objective-C only)} @opindex Wnested-externs @@ -9043,9 +9043,9 @@ if (snprintf (buf, "%08x", i) >= sizeof buf) @end smallexample The @option{-fprintf-return-value} option relies on other optimizations -and yields best results with @option{-O2}. It works in tandem with the -@option{-Wformat-overflow} and @option{-Wformat-truncation} options. -The @option{-fprintf-return-value} option is enabled by default. +and yields best results with @option{-O2} and above. It works in tandem +with the @option{-Wformat-overflow} and @option{-Wformat-truncation} +options. The @option{-fprintf-return-value} option is enabled by default. @item -fno-peephole @itemx -fno-peephole2 -- 2.7.4