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Codegen error in if (try x = (true ? io::EOF? : 1)), i.e. using if-try with a known Empty.

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This commit is contained in:
Christoffer Lerno
2025-08-03 13:33:28 +02:00
parent 1c4f7a4b61
commit 9fe6c77d28
3 changed files with 34 additions and 5 deletions
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18
src/compiler/llvm_codegen_expr.c
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@@ -4263,18 +4263,26 @@ void llvm_emit_try_assign_try_catch(GenContext *c, bool is_try, BEValue *be_valu
// 6. If we haven't jumped yet, do it here (on error) to the catch block.
llvm_value_fold_optional(c, be_value);
// 7. If we have a variable, then we make the store.
if (var_addr)
// 7. Store the success block.
LLVMBasicBlockRef success_block = llvm_get_current_block_if_in_use(c);
// 8. If we have a variable, then we make the store.
if (success_block && var_addr)
{
ASSERT(is_try && "Storing will only happen on try.");
llvm_store(c, var_addr, be_value);
}
// 8. Restore the error stack.
// 9. Restore the error stack.
POP_CATCH();
// 9. Store the success block.
LLVMBasicBlockRef success_block = c->current_block;
// 10. Special handling if no success.
if (!success_block)
{
llvm_emit_block(c, catch_block);
llvm_value_set(be_value, LLVMConstInt(c->bool_type, is_try ? 0 : 1, false), type_bool);
return;
}
// 10. Jump to the phi
llvm_emit_br(c, phi_catch);