zig/test/incremental/change_panic_handler_explicit

#target=x86_64-linux-selfhosted
#target=x86_64-windows-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;
}
const no_panic = std.debug.no_panic;
pub const panic = struct {
    pub const call = myPanic;
    pub fn integerOverflow() noreturn {
        @panic("integer overflow");
    }
    pub const sentinelMismatch = no_panic.sentinelMismatch;
    pub const unwrapError = no_panic.unwrapError;
    pub const outOfBounds = no_panic.outOfBounds;
    pub const startGreaterThanEnd = no_panic.startGreaterThanEnd;
    pub const inactiveUnionField = no_panic.inactiveUnionField;
    pub const sliceCastLenRemainder = no_panic.sliceCastLenRemainder;
    pub const reachedUnreachable = no_panic.reachedUnreachable;
    pub const unwrapNull = no_panic.unwrapNull;
    pub const castToNull = no_panic.castToNull;
    pub const incorrectAlignment = no_panic.incorrectAlignment;
    pub const invalidErrorCode = no_panic.invalidErrorCode;
    pub const integerOutOfBounds = no_panic.integerOutOfBounds;
    pub const shlOverflow = no_panic.shlOverflow;
    pub const shrOverflow = no_panic.shrOverflow;
    pub const divideByZero = no_panic.divideByZero;
    pub const exactDivisionRemainder = no_panic.exactDivisionRemainder;
    pub const integerPartOutOfBounds = no_panic.integerPartOutOfBounds;
    pub const corruptSwitch = no_panic.corruptSwitch;
    pub const shiftRhsTooBig = no_panic.shiftRhsTooBig;
    pub const invalidEnumValue = no_panic.invalidEnumValue;
    pub const forLenMismatch = no_panic.forLenMismatch;
    pub const copyLenMismatch = no_panic.copyLenMismatch;
    pub const memcpyAlias = no_panic.memcpyAlias;
    pub const noreturnReturned = no_panic.noreturnReturned;
};
fn myPanic(msg: []const u8, _: ?usize) noreturn {
    var stdout_writer = std.fs.File.stdout().writerStreaming(&.{});
    stdout_writer.interface.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;
}
const no_panic = std.debug.no_panic;
pub const panic = struct {
    pub const call = myPanic;
    pub fn integerOverflow() noreturn {
        @panic("integer overflow");
    }
    pub const sentinelMismatch = no_panic.sentinelMismatch;
    pub const unwrapError = no_panic.unwrapError;
    pub const outOfBounds = no_panic.outOfBounds;
    pub const startGreaterThanEnd = no_panic.startGreaterThanEnd;
    pub const inactiveUnionField = no_panic.inactiveUnionField;
    pub const sliceCastLenRemainder = no_panic.sliceCastLenRemainder;
    pub const reachedUnreachable = no_panic.reachedUnreachable;
    pub const unwrapNull = no_panic.unwrapNull;
    pub const castToNull = no_panic.castToNull;
    pub const incorrectAlignment = no_panic.incorrectAlignment;
    pub const invalidErrorCode = no_panic.invalidErrorCode;
    pub const integerOutOfBounds = no_panic.integerOutOfBounds;
    pub const shlOverflow = no_panic.shlOverflow;
    pub const shrOverflow = no_panic.shrOverflow;
    pub const divideByZero = no_panic.divideByZero;
    pub const exactDivisionRemainder = no_panic.exactDivisionRemainder;
    pub const integerPartOutOfBounds = no_panic.integerPartOutOfBounds;
    pub const corruptSwitch = no_panic.corruptSwitch;
    pub const shiftRhsTooBig = no_panic.shiftRhsTooBig;
    pub const invalidEnumValue = no_panic.invalidEnumValue;
    pub const forLenMismatch = no_panic.forLenMismatch;
    pub const copyLenMismatch = no_panic.copyLenMismatch;
    pub const memcpyAlias = no_panic.memcpyAlias;
    pub const noreturnReturned = no_panic.noreturnReturned;
};
fn myPanic(msg: []const u8, _: ?usize) noreturn {
    var stdout_writer = std.fs.File.stdout().writerStreaming(&.{});
    stdout_writer.interface.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;
}
const no_panic = std.debug.no_panic;
pub const panic = struct {
    pub const call = myPanicNew;
    pub fn integerOverflow() noreturn {
        @panic("integer overflow");
    }
    pub const sentinelMismatch = std.debug.no_panic.sentinelMismatch;
    pub const unwrapError = std.debug.no_panic.unwrapError;
    pub const outOfBounds = std.debug.no_panic.outOfBounds;
    pub const startGreaterThanEnd = std.debug.no_panic.startGreaterThanEnd;
    pub const inactiveUnionField = std.debug.no_panic.inactiveUnionField;
    pub const sliceCastLenRemainder = no_panic.sliceCastLenRemainder;
    pub const reachedUnreachable = no_panic.reachedUnreachable;
    pub const unwrapNull = no_panic.unwrapNull;
    pub const castToNull = no_panic.castToNull;
    pub const incorrectAlignment = no_panic.incorrectAlignment;
    pub const invalidErrorCode = no_panic.invalidErrorCode;
    pub const integerOutOfBounds = no_panic.integerOutOfBounds;
    pub const shlOverflow = no_panic.shlOverflow;
    pub const shrOverflow = no_panic.shrOverflow;
    pub const divideByZero = no_panic.divideByZero;
    pub const exactDivisionRemainder = no_panic.exactDivisionRemainder;
    pub const integerPartOutOfBounds = no_panic.integerPartOutOfBounds;
    pub const corruptSwitch = no_panic.corruptSwitch;
    pub const shiftRhsTooBig = no_panic.shiftRhsTooBig;
    pub const invalidEnumValue = no_panic.invalidEnumValue;
    pub const forLenMismatch = no_panic.forLenMismatch;
    pub const copyLenMismatch = no_panic.copyLenMismatch;
    pub const memcpyAlias = no_panic.memcpyAlias;
    pub const noreturnReturned = no_panic.noreturnReturned;
};
fn myPanicNew(msg: []const u8, _: ?usize) noreturn {
    var stdout_writer = std.fs.File.stdout().writerStreaming(&.{});
    stdout_writer.interface.print("third panic message: {s}\n", .{msg}) catch {};
    std.process.exit(0);
}
const std = @import("std");
#expect_stdout="third panic message: integer overflow\n"