diff options
| author | mpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-07-06 19:00:10 +0000 |
|---|---|---|
| committer | mpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-07-06 19:00:10 +0000 |
| commit | 87d59e72dfe85065aa3fdefdd01dd538292392ea (patch) | |
| tree | dbe62f51aeeeb3f4e0e71eea55e603f187e0fdbf /gcc/doc/invoke.texi | |
| parent | 36cd680eeb9e824a38efc71f8c3d1af82e971eb1 (diff) | |
| download | gcc-87d59e72dfe85065aa3fdefdd01dd538292392ea.tar.gz | |
PR c/6940
* doc/invoke.texi: Document -Wsizeof-array-argument.
c-family/
* c.opt (Wsizeof-array-argument): New option.
c/
* c-decl.c (grokdeclarator): Set C_ARRAY_PARAMETER.
* c-tree.h (C_ARRAY_PARAMETER): Define.
* c-typeck.c (c_expr_sizeof_expr): Warn when using sizeof on an array
function parameter.
cp/
* cp-tree.h (DECL_ARRAY_PARAMETER_P): Define.
* decl.c (grokdeclarator): Set DECL_ARRAY_PARAMETER_P.
* typeck.c (cxx_sizeof_expr): Warn when using sizeof on an array
function parameter.
testsuite/
* c-c++-common/Wsizeof-pointer-memaccess1.c: Use
-Wno-sizeof-array-argument.
* c-c++-common/Wsizeof-pointer-memaccess2.c: Likewise.
* g++.dg/warn/Wsizeof-pointer-memaccess-1.C: Likewise.
* gcc.dg/Wsizeof-pointer-memaccess1.c: Likewise.
* g++.dg/torture/Wsizeof-pointer-memaccess1.C: Likewise.
* g++.dg/torture/Wsizeof-pointer-memaccess2.C: Likewise.
* gcc.dg/torture/Wsizeof-pointer-memaccess1.c: Likewise.
* c-c++-common/sizeof-array-argument.c: New test.
* gcc.dg/vla-5.c: Add dg-warnings.
../libgomp/
* testsuite/libgomp.c/appendix-a/a.29.1.c (f): Add dg-warnings.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@212312 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 046ea580772..111a67e60f2 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -266,7 +266,7 @@ Objective-C and Objective-C++ Dialects}. -Wredundant-decls -Wno-return-local-addr @gol -Wreturn-type -Wsequence-point -Wshadow -Wno-shadow-ivar @gol -Wsign-compare -Wsign-conversion -Wfloat-conversion @gol --Wsizeof-pointer-memaccess @gol +-Wsizeof-pointer-memaccess -Wsizeof-array-argument @gol -Wstack-protector -Wstack-usage=@var{len} -Wstrict-aliasing @gol -Wstrict-aliasing=n @gol -Wstrict-overflow -Wstrict-overflow=@var{n} @gol -Wsuggest-attribute=@r{[}pure@r{|}const@r{|}noreturn@r{|}format@r{]} @gol @@ -4676,6 +4676,13 @@ but a pointer, and suggests a possible fix, or about @code{memcpy (&foo, ptr, sizeof (&foo));}. This warning is enabled by @option{-Wall}. +@item -Wsizeof-array-argument +@opindex Wsizeof-array-argument +@opindex Wno-sizeof-array-argument +Warn when the @code{sizeof} operator is applied to a parameter that is +declared as an array in a function definition. This warning is enabled by +default for C and C++ programs. + @item -Waddress @opindex Waddress @opindex Wno-address |