zig/test/incremental/change_panic_handler

#target=x86_64-linux-selfhosted
#target=x86_64-linux-cbe
#target=x86_64-windows-cbe
#update=initial version
#file=main.zig
pub fn main() !u8 {
    var a: u8 = undefined;
    a = 255;
    _ = a + 1;
    return 1;
}
pub const Panic = struct {
    pub const call = myPanic;
    pub const sentinelMismatch = std.debug.FormattedPanic.sentinelMismatch;
    pub const unwrapError = std.debug.FormattedPanic.unwrapError;
    pub const outOfBounds = std.debug.FormattedPanic.outOfBounds;
    pub const startGreaterThanEnd = std.debug.FormattedPanic.startGreaterThanEnd;
    pub const inactiveUnionField = std.debug.FormattedPanic.inactiveUnionField;
    pub const messages = std.debug.FormattedPanic.messages;
};
fn myPanic(msg: []const u8, _: ?*std.builtin.StackTrace, _: ?usize) noreturn {
    std.io.getStdOut().writer().print("panic message: {s}\n", .{msg}) catch {};
    std.process.exit(0);
}
const std = @import("std");
#expect_stdout="panic message: integer overflow\n"

#update=change the panic handler body
#file=main.zig
pub fn main() !u8 {
    var a: u8 = undefined;
    a = 255;
    _ = a + 1;
    return 1;
}
pub const Panic = struct {
    pub const call = myPanic;
    pub const sentinelMismatch = std.debug.FormattedPanic.sentinelMismatch;
    pub const unwrapError = std.debug.FormattedPanic.unwrapError;
    pub const outOfBounds = std.debug.FormattedPanic.outOfBounds;
    pub const startGreaterThanEnd = std.debug.FormattedPanic.startGreaterThanEnd;
    pub const inactiveUnionField = std.debug.FormattedPanic.inactiveUnionField;
    pub const messages = std.debug.FormattedPanic.messages;
};
fn myPanic(msg: []const u8, _: ?*std.builtin.StackTrace, _: ?usize) noreturn {
    std.io.getStdOut().writer().print("new panic message: {s}\n", .{msg}) catch {};
    std.process.exit(0);
}
const std = @import("std");
#expect_stdout="new panic message: integer overflow\n"

#update=change the panic handler function value
#file=main.zig
pub fn main() !u8 {
    var a: u8 = undefined;
    a = 255;
    _ = a + 1;
    return 1;
}
pub const Panic = struct {
    pub const call = myPanicNew;
    pub const sentinelMismatch = std.debug.FormattedPanic.sentinelMismatch;
    pub const unwrapError = std.debug.FormattedPanic.unwrapError;
    pub const outOfBounds = std.debug.FormattedPanic.outOfBounds;
    pub const startGreaterThanEnd = std.debug.FormattedPanic.startGreaterThanEnd;
    pub const inactiveUnionField = std.debug.FormattedPanic.inactiveUnionField;
    pub const messages = std.debug.FormattedPanic.messages;
};
fn myPanicNew(msg: []const u8, _: ?*std.builtin.StackTrace, _: ?usize) noreturn {
    std.io.getStdOut().writer().print("third panic message: {s}\n", .{msg}) catch {};
    std.process.exit(0);
}
const std = @import("std");
#expect_stdout="third panic message: integer overflow\n"