aboutsummaryrefslogtreecommitdiff
path: root/gcc/doc
diff options
context:
space:
mode:
authorBernd Edlinger <bernd.edlinger@hotmail.de>2016-10-03 08:00:21 +0000
committerBernd Edlinger <edlinger@gcc.gnu.org>2016-10-03 08:00:21 +0000
commit1633d3b91af987aefd53b64cd4071923e1f45502 (patch)
tree93439ae229ea677d34c8945bc24e460dd4b880de /gcc/doc
parent21d7b03ca169ff93b6eb4e3432bf0e01a80819ba (diff)
downloadgcc-1633d3b91af987aefd53b64cd4071923e1f45502.zip
gcc-1633d3b91af987aefd53b64cd4071923e1f45502.tar.gz
gcc-1633d3b91af987aefd53b64cd4071923e1f45502.tar.bz2
invoke.texi: Update -Wint-in-bool-context.
2016-10-03 Bernd Edlinger <bernd.edlinger@hotmail.de> * doc/invoke.texi: Update -Wint-in-bool-context. c-family: 2016-10-03 Bernd Edlinger <bernd.edlinger@hotmail.de> * c-common.c (c_common_truthvalue_conversion): Warn for suspicious left shift in boolean context. cp: 2016-10-03 Bernd Edlinger <bernd.edlinger@hotmail.de> * parser.c (cp_parser_condition): Fix a warning. testsuite: 2016-10-03 Bernd Edlinger <bernd.edlinger@hotmail.de> * c-c++-common/Wint-in-bool-context.c: Update test. From-SVN: r240706
Diffstat (limited to 'gcc/doc')
-rw-r--r--gcc/doc/invoke.texi3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index fa15529..d9667e7 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -6038,7 +6038,8 @@ of the C++ standard.
@opindex Wno-int-in-bool-context
Warn for suspicious use of integer values where boolean values are expected,
such as conditional expressions (?:) using non-boolean integer constants in
-boolean context, like @code{if (a <= b ? 2 : 3)}.
+boolean context, like @code{if (a <= b ? 2 : 3)}. Or left shifting in
+boolean context, like @code{for (a = 0; 1 << a; a++);}.
This warning is enabled by @option{-Wall}.
@item -Wno-int-to-pointer-cast