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Fix ?? assign before header() suppressing CGI/AOT output (#9225) - #9719
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findCoalesceStmtForCallArg must not walk back to unrelated stmt-level coalesce when lowering literal call args; detect existing ?? lowering via slotForCoalesceResult so 009-FastCGIWeb AOT health echo works again. Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
$_SERVER['PATH_INFO'] ?? ''assigned to a variable beforeheader()caused all subsequent output to be suppressed (VM + AOT).findCoalesceStmtForCallArg()walked backward from unrelated literalheader()args and re-lowered an already-compiled stmt-level??;lowerEmbeddedCoalesceCallArgs()only checkedslotForOperand(coalesce->result)and missed??=overrides.coalesce_server_header_echo.phpt; unblocks009-FastCGIWebexamples AOT smoke.php-src reference
N/A (compile lowering bug). Pattern from
examples/009-FastCGIWeb/example.php.Verification
Output:
Closes #9225
Made with Cursor