Hi, I've implemented -Wstring-plus-int (like the one in CLANG) for GCC. I've bootstrapped GCC with my patches and runned dejaGNU tests.
My patches are for both C and C++ (like CLANG). Unlike CLANG, this option is not enabled by default (or GCC won't bootstrap with -Werror). Xi Ruoyao (5): Move char_type_p prototype into c-common.h c++: New warning option -Wstring-plus-int c: New warning option -Wstring-plus-int Document warning option -Wstring-plus-int New tests for option -Wstring-plus-int gcc/c-family/c-common.h | 3 +++ gcc/c-family/c-warn.c | 34 ++++++++++++++++++++++++++ gcc/c-family/c.opt | 5 ++++ gcc/c/c-typeck.c | 32 +++++++++++++++++++++++- gcc/cp/call.c | 35 +++++++++++++++++++++++++++ gcc/cp/cp-tree.h | 1 - gcc/cp/tree.c | 2 +- gcc/doc/invoke.texi | 8 +++++- gcc/testsuite/c-c++-common/Wstring-plus-int.c | 35 +++++++++++++++++++++++++++ gcc/testsuite/g++.dg/Wstring-plus-int-1.C | 20 +++++++++++++++ gcc/testsuite/g++.dg/Wstring-plus-int-2.C | 32 ++++++++++++++++++++++++ gcc/testsuite/gcc.dg/Wstring-plus-int.c | 17 +++++++++++++ 12 files changed, 220 insertions(+), 4 deletions(-) create mode 100644 gcc/testsuite/c-c++-common/Wstring-plus-int.c create mode 100644 gcc/testsuite/g++.dg/Wstring-plus-int-1.C create mode 100644 gcc/testsuite/g++.dg/Wstring-plus-int-2.C create mode 100644 gcc/testsuite/gcc.dg/Wstring-plus-int.c -- Xi Ruoyao <r...@stu.xidian.edu.cn> School of Aerospace Science and Technology, Xidian University
