RFR: 8319233: AArch64: Build failure with clang due to -Wformat-nonliteral warning

Vladimir Kempik vkempik at openjdk.org
Sat Nov 4 07:46:07 UTC 2023


On Fri, 3 Nov 2023 02:50:22 GMT, Hao Sun <haosun at openjdk.org> wrote:

> The root cause is that an incorrect variant of function VMError::report_and_die() is used. We should introduce another variadic function, just as macos_aarch64 did before.
> 
> GCC toolchain:
> From [1][2], GCC differs from Clang in flag -Wformat-nonliteral slightly, i.e. GCC may **not** raise a warning if "the format function takes its fromat arguments as a va_list". That's why this issue is not exposed by GCC toolchain before.
> 
> Besides, I suppose platforms ppc and risc-v may have the same issue.
> 
> [1] https://gcc.gnu.org/onlinedocs/gcc-11.4.0/gcc/Warning-Options.html
> [2] https://releases.llvm.org/14.0.0/tools/clang/docs/DiagnosticsReference.html

I'll try after the weekend

-------------

PR Comment: https://git.openjdk.org/jdk/pull/16486#issuecomment-1793373071


More information about the hotspot-dev mailing list