Hmm, this doesn't sound like a known issue. You can build with EMCC_DEBUG=2
in the env, and then the temp JS files will be saved in
/tmp/emscripten_temp. Reading the last JS one around the line it has the
syntax error on might give a clue.
On Mon, Nov 28, 2022 at 10:31 AM Gregory Propf <gpr...@gmail.com> wrote:
> Anyone know what this is about? I'm trying out various optimization
> options and discovered that if I use -O1 or -O0 the code compiles but -O2,
> -O3, -Os gives this error. It doesn't seem like DEMANGLE_SUPPORT is the
> issue since taking that out doesn't change anything. This is using 3.1.24
> on Linux. It looks like 3.1.26 is out. Would upgrading help?
>
>
> DEMANGLE_SUPPORT=1 emcc speedtest.cpp -o speedtest.o -c -O2 -std=c++17 -D
> USETF=1
> DEMANGLE_SUPPORT=1 emcc ClarityNode.cpp -o ClarityNode.o -c -O2 -std=c++17
> -D USETF=1
> DEMANGLE_SUPPORT=1 emcc Selectables.cpp -o Selectables.o -c -O2 -std=c++17
> -D USETF=1
> DEMANGLE_SUPPORT=1 emcc clarity.cpp -o clarity.o -c -O2 -std=c++17 -D
> USETF=1
> emcc -lembind --pre-js js.d/speedtest.js speedtest.o ClarityNode.o
> Selectables.o clarity.o -O2 -std=c++17 -o clarity_embind.js
>
> /home/greg/repos/clarity/emsdk/upstream/emscripten/tools/acorn-optimizer.js:1863
> throw err;
> ^
>
> SyntaxError: Unexpected token (61:22)
> staticSpeedtester = null;
> ^
>
> at Parser.pp$4.raise
> (/home/greg/repos/clarity/emsdk/upstream/emscripten/node_modules/acorn/dist/acorn.js:3462:15)
> at Parser.pp$9.unexpected
> (/home/greg/repos/clarity/emsdk/upstream/emscripten/node_modules/acorn/dist/acorn.js:756:10)
> at Parser.pp$9.expect
> (/home/greg/repos/clarity/emsdk/upstream/emscripten/node_modules/acorn/dist/acorn.js:750:28)
> at Parser.pp$5.parseMethod
> (/home/greg/repos/clarity/emsdk/upstream/emscripten/node_modules/acorn/dist/acorn.js:3224:10)
> at Parser.pp$8.parseClassMethod
> (/home/greg/repos/clarity/emsdk/upstream/emscripten/node_modules/acorn/dist/acorn.js:1511:37)
> at Parser.pp$8.parseClassElement
> (/home/greg/repos/clarity/emsdk/upstream/emscripten/node_modules/acorn/dist/acorn.js:1469:12)
> at Parser.pp$8.parseClass
> (/home/greg/repos/clarity/emsdk/upstream/emscripten/node_modules/acorn/dist/acorn.js:1387:26)
> at Parser.pp$8.parseStatement
> (/home/greg/repos/clarity/emsdk/upstream/emscripten/node_modules/acorn/dist/acorn.js:902:19)
> at Parser.pp$8.parseTopLevel
> (/home/greg/repos/clarity/emsdk/upstream/emscripten/node_modules/acorn/dist/acorn.js:813:23)
> at Parser.parse
> (/home/greg/repos/clarity/emsdk/upstream/emscripten/node_modules/acorn/dist/acorn.js:585:17)
> {
> pos: 1941,
> loc: Position { line: 61, column: 22 },
> raisedAt: 1942
> }
> emcc: error: '/home/greg/repos/clarity/emsdk/node/14.18.2_64bit/bin/node
> /home/greg/repos/clarity/emsdk/upstream/emscripten/tools/acorn-optimizer.js
> /tmp/emscripten_temp_i786_vs2/clarity_embind.js.pp.js JSDCE
> minifyWhitespace -o
> /tmp/emscripten_temp_i786_vs2/clarity_embind.js.pp.jso1.js' failed
> (returned 1)
> make: *** [Makefile:27: speedtest-prod] Error 1
>
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