Shader problems when running with latest 5.13 wasm and threads enabled

QOpenGLShader::compile(Vertex): ERROR: 0:1: 'undefinedundefined' : syntax error qtloader.js:352:17
qtloader.js:352:17
*** Problematic Vertex shader source code *** qtloader.js:352:17
undefinedundefined qtloader.js:352:17
*** qtloader.js:352:17
QOpenGLShader::compile(Fragment): ERROR: 0:1: 'undefinedundefinedundefinedundefined' : syntax error qtloader.js:352:17
qtloader.js:352:17
*** Problematic Fragment shader source code *** qtloader.js:352:17
undefinedundefinedundefinedundefined qtloader.js:352:17
Error: WebGL warning: linkProgram: Must have a compiled vertex shader attached. qtloader.js line 411 > eval:1:212426
*** qtloader.js:352:17
QOpenGLShader::link: Must have a compiled vertex shader attached. qtloader.js:352:17
Could not link shader program: qtloader.js:352:17
"Must have a compiled vertex shader attached." qtloader.js:352:17
Error: WebGL warning: linkProgram: Must have a compiled vertex shader attached. qtloader.js line 411 > eval:1:212426
QOpenGLShader::link: Must have a compiled vertex shader attached. qtloader.js:352:17
Error: WebGL warning: drawArrays: The current program is not linked.
qtloader.js line 411 > eval:1:185925
TypeError: 'name' member of PermissionDescriptor 'clipboard-read' is not a valid value for enumeration PermissionName. qtloader.js line 411 > eval line 1 > Function:5:26
TypeError: 'name' member of PermissionDescriptor 'clipboard-write' is not a valid value for enumeration PermissionName. qtloader.js line 411 > eval line 1 > Function:5:26
Error: WebGL warning: linkProgram: Must have a compiled vertex shader attached. qtloader.js line 411 > eval:1:212426
QOpenGLShader::link: Must have a compiled vertex shader attached. qtloader.js:352:17
Error: WebGL warning: drawArrays: The current program is not linked.
qtloader.js line 411 > eval:1:185925
Error: WebGL warning: linkProgram: Must have a compiled vertex shader attached. qtloader.js line 411 > eval:1:212426
QOpenGLShader::link: Must have a compiled vertex shader attached. qtloader.js:352:17
Error: WebGL warning: drawArrays: The current program is not linked.
qtloader.js line 411 > eval:1:185925
Error: WebGL warning: linkProgram: Must have a compiled vertex shader attached. qtloader.js line 411 > eval:1:212426
QOpenGLShader::link: Must have a compiled vertex shader attached. qtloader.js:352:17
Error: WebGL warning: drawArrays: The current program is not linked.
qtloader.js line 411 > eval:1:185925
Error: WebGL warning: linkProgram: Must have a compiled vertex shader attached. qtloader.js line 411 > eval:1:212426
QOpenGLShader::link: Must have a compiled vertex shader attached. qtloader.js:352:17
Error: WebGL warning: drawArrays: The current program is not linked.

_emscripten_glCompileShader file:///tmp/build-wasm/build-wasm/qtloader.js line 411 > eval:9723
_glCompileShader file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:16134979
__ZN16QOpenGLFunctions15glCompileShaderEj file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:10350930
__ZN20QOpenGLShaderPrivate7compileEP13QOpenGLShader file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:10350253
__ZN13QOpenGLShader17compileSourceCodeEPKc file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:10352536
__ZN20QOpenGLShaderProgram23addShaderFromSourceCodeE6QFlagsIN13QOpenGLShader13ShaderTypeBitEEPKc file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:10354652
__ZN20QOpenGLShaderProgram32addCacheableShaderFromSourceCodeE6QFlagsIN13QOpenGLShader13ShaderTypeBitEEPKc file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:10355038
__ZN28QOpenGLTextureBlitterPrivate12buildProgramENS_12ProgramIndexEPKcS2_ file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:10395529
__ZN21QOpenGLTextureBlitter6createEv file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:10396498
__ZN15QWasmCompositor5frameEv file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:4360084
__ZN15QWasmCompositor5eventEP6QEvent file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:4359413
__ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:5230874
__ZN12QApplication6notifyEP7QObjectP6QEvent file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:5230198
__ZN16SafeQApplication6notifyEP7QObjectP6QEvent file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:445986
__ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:14457071
__ZN16QCoreApplication9sendEventEP7QObjectP6QEvent file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:14458699
__ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:14458405
__ZN20QEventDispatcherUNIX13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:14619358
__ZN23QUnixEventDispatcherQPA13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:4379337
__ZZN20QWasmEventDispatcher16doMaintainTimersEvEN3__18__invokeEPv file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:4351197
dynCall_vi file:///tmp/build-wasm/build-wasm/qtloader.js line 240 > WebAssembly.compile:16376104
dynCall_vi file:///tmp/build-wasm/build-wasm/qtloader.js line 411 > eval:16158
dynCall file:///tmp/build-wasm/build-wasm/qtloader.js line 411 > eval:457
dynCall_wrapper file:///tmp/build-wasm/build-wasm/qtloader.js line 411 > eval:387
wrapper file:///tmp/build-wasm/build-wasm/qtloader.js line 411 > eval:8970
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