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Sema: more validation for builtin decl types

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Also improve the source locations when this validation fails.

Resolves: #22465
This commit is contained in:
mlugg
2025-01-12 22:35:21 +00:00
committed by Matthew Lugg
parent 5322459a0b
commit 4b910e525d
3 changed files with 121 additions and 26 deletions
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10
src/codegen/llvm.zig
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@@ -5754,10 +5754,12 @@ pub const FuncGen = struct {
const o = fg.ng.object;
const zcu = o.pt.zcu;
const ip = &zcu.intern_pool;
const panic_msg_val = zcu.builtin_decl_values.get(panic_id.toBuiltin());
assert(panic_msg_val != .none);
const msg_len = Value.fromInterned(panic_msg_val).typeOf(zcu).childType(zcu).arrayLen(zcu);
const msg_ptr = try o.lowerValue(panic_msg_val);
const msg_len: u64, const msg_ptr: Builder.Constant = msg: {
const str_val = zcu.builtin_decl_values.get(panic_id.toBuiltin());
assert(str_val != .none);
const slice = ip.indexToKey(str_val).slice;
break :msg .{ Value.fromInterned(slice.len).toUnsignedInt(zcu), try o.lowerValue(slice.ptr) };
};
const null_opt_addr_global = try fg.resolveNullOptUsize();
const target = zcu.getTarget();
const llvm_usize = try o.lowerType(Type.usize);