On Tue, 22 Feb 2022 11:33:52 GMT, Magnus Ihse Bursie <i...@openjdk.org> wrote:
>> Please review this PR that enables >> [Zc:strictStrings](https://docs.microsoft.com/en-us/cpp/build/reference/zc-strictstrings-disable-string-literal-type-conversion?view=msvc-170) >> compiler flag, which makes assigning a string literal to a non-const >> pointer a compile-time error. >> >> This type of assignment is [disallowed by C++ standard since >> C++11](https://en.cppreference.com/w/cpp/language/string_literal). Writing >> to a string literal through a non-const pointer [produces a run-time >> error](https://docs.microsoft.com/en-us/cpp/cpp/string-and-character-literals-cpp?view=msvc-170#microsoft-specific-1). >> >> The included code changes are trivial; I added `const` keyword to variable >> and parameter declarations where needed, and added explicit casts to >> non-const pointers where adding `const` was not feasible. >> >> I verified that the build passes both with and without `--enable-debug`, >> both with VS2017 and VS2019. > > make/autoconf/flags-cflags.m4 line 136: > >> 134: CFLAGS_WARNINGS_ARE_ERRORS="-WX" >> 135: >> 136: WARNINGS_ENABLE_ALL="-W3 -Zc:strictStrings" > > This is not strictly a flag to enable warnings. I'd recommend you move it to > line 499 and 500 in the same file, which would align it with the -Zc:wchar_t- > switch. Make sure you add it to both TOOLCHAIN_CFLAGS_JVM and > TOOLCHAIN_CFLAGS_JDK. Done ------------- PR: https://git.openjdk.java.net/jdk/pull/7565