It's kind of unclear what `*-windows-none` actually means, but as far as LLVM is
concerned, it's equivalent to `*-windows-msvc`. For clarity, only test
`*-windows-msvc` and `*-windows-gnu`. #20690 will clean this situation up
eventually.
Also ensure coverage of `link_libc = true` and `link_libc = false` for both.
The overflow check for safe signed subtraction was using the formula (rhs < 0) == (lhs > result). This logic is flawed and incorrectly reports an overflow when the right-hand side is zero.
For the expression 42 - 0, this check evaluated to (0 < 0) == (42 > 42), which is false == false, resulting in true. This caused the generated SPIR-V to incorrectly branch to an OpUnreachable instruction, preventing the result from being stored.
Fixes#24281.
* resinator: Only preprocess when the input is an .rc file
* resinator: Fix include directory detection when cross-compiling from certain host archs
Previously, resinator would use the host arch as the target arch when looking for windows-gnu include directories. However, Zig only thinks it can provide a libc for targets specified in the `std.zig.target.available_libcs` array, which only includes a few for windows-gnu. Therefore, when cross-compiling from a host architecture that doesn't have a windows-gnu target in the available_libcs list, resinator would fail to detect the MinGW include directories.
Now, the custom option `/:target` is passed to `zig rc` which is intended for the COFF object file target, but can be re-used for the include directory target as well. For the include directory target, resinator will convert the MachineType to the relevant arch, or fail if there is no equivalent arch/no support for detecting the includes for the MachineType (currently 64-bit Itanium and EBC).
Fixes the `windows_resources` standalone test failing when the host is, for example, `riscv64-linux`.
Previously, resinator would use the host arch as the target arch when looking for windows-gnu include directories. However, Zig only thinks it can provide a libc for targets specified in the `std.zig.target.available_libcs` array, which only includes a few for windows-gnu. Therefore, when cross-compiling from a host architecture that doesn't have a windows-gnu target in the available_libcs list, resinator would fail to detect the MinGW include directories.
Now, the custom option `/:target` is passed to `zig rc` which is intended for the COFF object file target, but can be re-used for the include directory target as well. For the include directory target, resinator will convert the MachineType to the relevant arch, or fail if there is no equivalent arch/no support for detecting the includes for the MachineType (currently 64-bit Itanium and EBC).
Fixes the `windows_resources` standalone test failing when the host is, for example, `riscv64-linux`.
* Fix warning WasmMut_toC not all control paths return a value
This is a follow up to https://github.com/ziglang/zig/pull/24206 where
I had previously submitted different mechanisms to fix this warning.
This PR is a suggestion by Alex to return NULL instead and Andrew
confirmed this is his preference.
* c.darwin: define MSG for macos
* darwin: add series os name
* Update lib/std/c.zig
Co-authored-by: Alex Rønne Petersen <alex@alexrp.com>
---------
Co-authored-by: Alex Rønne Petersen <alex@alexrp.com>
Btrfs at least supports 16 EiB files (limited in practice to 8EiB by the
Linux VFS code which uses signed 64-bit offsets). So fix the fs.zig test
case to expect either a FileTooBig or success from truncating a file to
8EiB. And test that beyond that size the offset is interpreted as a
negative number.
Fixes#24242
