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Merge pull request #1149 from ziglang/issue346

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fix compiler crash for invalid enum
This commit is contained in:
Andrew Kelley 2018-06-21 21:21:05 -04:00 committed by GitHub
commit be2a4c42bd
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2 changed files with 16 additions and 2 deletions
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5
src/analyze.cpp
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@ -2318,8 +2318,9 @@ static void resolve_enum_zero_bits(CodeGen *g, TypeTableEntry *enum_type) {
return; return;
if (enum_type->data.enumeration.zero_bits_loop_flag) { if (enum_type->data.enumeration.zero_bits_loop_flag) {
enum_type->data.enumeration.zero_bits_known = true; add_node_error(g, enum_type->data.enumeration.decl_node,
enum_type->data.enumeration.zero_bits_loop_flag = false; buf_sprintf("'%s' depends on itself", buf_ptr(&enum_type->name)));
enum_type->data.enumeration.is_invalid = true;
return; return;
} }

13
test/compile_errors.zig
View File

@ -1,6 +1,19 @@
const tests = @import("tests.zig"); const tests = @import("tests.zig");
pub fn addCases(cases: *tests.CompileErrorContext) void { pub fn addCases(cases: *tests.CompileErrorContext) void {
cases.add(
"enum field value references enum",
\\pub const Foo = extern enum {
\\ A = Foo.B,
\\ C = D,
\\};
\\export fn entry() void {
\\ var s: Foo = Foo.E;
\\}
,
".tmp_source.zig:1:17: error: 'Foo' depends on itself",
);
cases.add( cases.add(
"@floatToInt comptime safety", "@floatToInt comptime safety",
\\comptime { \\comptime {