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fix crash on @ptrToInt of a *void

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closes #1192
This commit is contained in:
Andrew Kelley 2018-07-09 10:43:29 -04:00
parent 42ba06133a
commit 9eb51e20ed
2 changed files with 15 additions and 0 deletions
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6
src/ir.cpp
View File

@ -19796,6 +19796,12 @@ static TypeTableEntry *ir_analyze_instruction_ptr_to_int(IrAnalyze *ira, IrInstr
return ira->codegen->builtin_types.entry_invalid;
}
if (!type_has_bits(target->value.type)) {
ir_add_error(ira, target,
buf_sprintf("pointer to size 0 type has no address"));
return ira->codegen->builtin_types.entry_invalid;
}
if (instr_is_comptime(target)) {
ConstExprValue *val = ir_resolve_const(ira, target, UndefBad);
if (!val)

9
test/compile_errors.zig
View File

@ -1,6 +1,15 @@
const tests = @import("tests.zig");
pub fn addCases(cases: *tests.CompileErrorContext) void {
cases.add(
"@ptrToInt on *void",
\\export fn entry() bool {
\\ return @ptrToInt(&{}) == @ptrToInt(&{});
\\}
,
".tmp_source.zig:2:23: error: pointer to size 0 type has no address",
);
cases.add(
"@popCount - non-integer",
\\export fn entry(x: f32) u32 {