srctree

David Rubin parent e8f28cda b87baad0
error on `undefined` end index

src/Sema.zig added: 13, removed: 3, total 10

@@ -32507,7 +32507,7 @@ fn analyzeSlice(

const uncasted_end = try sema.analyzeArithmetic(block, .add, start, len, src, start_src, end_src, false);

break :end try sema.coerce(block, Type.usize, uncasted_end, end_src);

} else try sema.coerce(block, Type.usize, uncasted_end_opt, end_src);

if (try sema.resolveValue(end)) |end_val| {

if (try sema.resolveDefinedValue(block, end_src, end)) |end_val| {

const len_s_val = try mod.intValue(

Type.usize,

array_ty.arrayLenIncludingSentinel(mod),

filename was Deleted added: 13, removed: 3, total 10

@@ -0,0 +1,10 @@

export fn a() void {

var array: [0]void = undefined;

_ = array[0..undefined];

}

// error

// backend=stage2

// target=native

// :3:18: error: use of undefined value here causes undefined behavior