This patch adds document of -Wstring-plus-int.
gcc/ChangeLog:
2017-02-22 Xi Ruoyao <r...@stu.xidian.edu.cn>
* doc/invoke.texi (Warning Options): Document -Wstring-plus-int
---
gcc/doc/invoke.texi | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index e1a1d13..6e929e8 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -307,7 +307,7 @@ Objective-C and Objective-C++ Dialects}.
-Wsizeof-pointer-memaccess -Wsizeof-array-argument @gol
-Wstack-protector -Wstack-usage=@var{len} -Wstrict-aliasing @gol
-Wstrict-aliasing=n -Wstrict-overflow -Wstrict-overflow=@var{n} @gol
--Wstringop-overflow=@var{n} @gol
+-Wstringop-overflow=@var{n} -Wstring-plus-int @gol
-Wsuggest-attribute=@r{[}pure@r{|}const@r{|}noreturn@r{|}format@r{]} @gol
-Wsuggest-final-types @gol -Wsuggest-final-methods -Wsuggest-override @gol
-Wmissing-format-attribute -Wsubobject-linkage @gol
@@ -5046,6 +5046,12 @@ whether to issue a warning. Similarly to
@option{-Wstringop-overflow=3} this
setting of the option may result in warnings for benign code.
@end table
+@item -Wstring-plus-int
+@opindex Wstring-plus-int
+@opindex Wno-string-plus-int
+Warn for adding an integer to a string pointer or string literal,
+which seems an ill-formed attempt to append to the string.
+
@item -Wsuggest-attribute=@r{[}pure@r{|}const@r{|}noreturn@r{|}format@r{]}
@opindex Wsuggest-attribute=
@opindex Wno-suggest-attribute=
--
Xi Ruoyao <r...@stu.xidian.edu.cn>
School of Aerospace Science and Technology, Xidian University
