PR middle-end/40500

	* c-opts.c (c_common_handle_option): Don't set
	warn_jump_misses_init for -Wall.
	* doc/invoke.texi (Warning Options): Update documentation.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@152252 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3470f8a..2a84e34 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2009-09-28  Ian Lance Taylor  <iant@google.com>
+
+       PR middle-end/40500
+       * c-opts.c (c_common_handle_option): Don't set
+       warn_jump_misses_init for -Wall.
+       * doc/invoke.texi (Warning Options): Update documentation.
+
 2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
        * Makefile.in ($(out_object_file)): Depend on

diff --git a/gcc/c-opts.c b/gcc/c-opts.c
index d9165aa..e026fd9 100644 (file)
--- a/gcc/c-opts.c
+++ b/gcc/c-opts.c
@@ -397,8 +397,6 @@ c_common_handle_option (size_t scode, const char *arg, int value)
        warn_strict_overflow = value;
       warn_array_bounds = value;
       warn_volatile_register_var = value;
-      if (warn_jump_misses_init == -1)
-       warn_jump_misses_init = value;
 
       /* Only warn about unknown pragmas that are not in system
         headers.  */
@@ -450,7 +448,7 @@ c_common_handle_option (size_t scode, const char *arg, int value)
       if (warn_enum_compare == -1 && value)
        warn_enum_compare = value;
       /* Because C++ always warns about a goto which misses an
-        initialization, -Wc++-compat turns on -Wgoto-misses-init.  */
+        initialization, -Wc++-compat turns on -Wjump-misses-init.  */
       if (warn_jump_misses_init == -1 && value)
        warn_jump_misses_init = value;
       cpp_opts->warn_cxx_operator_names = value;

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 92652cc..4ae8a02 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -3025,20 +3025,6 @@ requiring a non-null value by the @code{nonnull} function attribute.
 @option{-Wnonnull} is included in @option{-Wall} and @option{-Wformat}.  It
 can be disabled with the @option{-Wno-nonnull} option.
 
-@item -Wjump-misses-init @r{(C, Objective-C only)}
-@opindex Wjump-misses-init
-@opindex Wno-jump-misses-init
-Warn if a @code{goto} statement or a @code{switch} statement jumps
-forward across the initialization of a variable, or jumps backward to a
-label after the variable has been initialized.  This only warns about
-variables which are initialized when they are declared.  This warning is
-only supported for C and Objective C; in C++ this sort of branch is an
-error in any case.
-
-@option{-Wjump-misses-init} is included in @option{-Wall} and
-@option{-Wc++-compat}.  It can be disabled with the
-@option{-Wno-jump-misses-init} option.
-
 @item -Winit-self @r{(C, C++, Objective-C and Objective-C++ only)}
 @opindex Winit-self
 @opindex Wno-init-self
@@ -3850,6 +3836,19 @@ Warn about a comparison between values of different enum types. In C++
 this warning is enabled by default.  In C this warning is enabled by
 @option{-Wall}.
 
+@item -Wjump-misses-init @r{(C, Objective-C only)}
+@opindex Wjump-misses-init
+@opindex Wno-jump-misses-init
+Warn if a @code{goto} statement or a @code{switch} statement jumps
+forward across the initialization of a variable, or jumps backward to a
+label after the variable has been initialized.  This only warns about
+variables which are initialized when they are declared.  This warning is
+only supported for C and Objective C; in C++ this sort of branch is an
+error in any case.
+
+@option{-Wjump-misses-init} is included in @option{-Wc++-compat}.  It
+can be disabled with the @option{-Wno-jump-misses-init} option.
+
 @item -Wsign-compare
 @opindex Wsign-compare
 @opindex Wno-sign-compare