diff options
Diffstat (limited to 'results/scraper/launchpad-without-comments/1832281')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1832281 | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1832281 b/results/scraper/launchpad-without-comments/1832281 new file mode 100644 index 00000000..7876f81b --- /dev/null +++ b/results/scraper/launchpad-without-comments/1832281 @@ -0,0 +1,51 @@ +tcg bug master / 4.0.0 v8 operation >>> and |= + +vm guest is linux, executed with tcg +running this Node.js snippet leads to + +$ node +> a = undefined +undefined +> a >>> 0 +4294967295 + +host node +$ node +> a = undefined +undefined +> a >>> 0 +0 + +same with |= + +node +Welcome to Node.js v12.4.0. +Type ".help" for more information. +> let buffer +undefined +> buffer |= 0 +0 + +vm with tcg: + +$ ./out/Release/node --version +v12.4.0 +./out/Release/node -e "let buffer; buffer |= 0; console.log(buffer);" +-1 + + +vm guest is debian x86_64 latest release +vm guest is started with ./x86_64-softmmu/qemu-system-x86_64 -vnc :0 -cdrom debian-9.9.0-amd64-netinst.iso -m 4G -smp cores=6,threads=1,sockets=1 -nic user,hostfwd=tcp:ipv4addr:2233-:22 -cpu qemu64 debian.img + +git tag v4.0.0 and master, commit a578cdfbdd8f9beff5ced52b7826ddb1669abbbf, for building qemu-system-x86_64 was used. + +Node.js as compiled on the vm guest (v12.4.0 / master) + + +see also +https://github.com/nodejs/node/issues/19348#issuecomment-500465502 + +I need further assistance to track down the cause of the bug. + +Kind regards +Manuel \ No newline at end of file |