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Are asserts intentionally left compiled in? #14461

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MSLaguana opened this issue Jul 24, 2017 · 1 comment
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Are asserts intentionally left compiled in? #14461

MSLaguana opened this issue Jul 24, 2017 · 1 comment
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build Issues and PRs related to build files or the CI. c++ Issues and PRs that require attention from people who are familiar with C++. performance Issues and PRs related to the performance of Node.js. question Issues that look for answers.

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@MSLaguana
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  • Version: master

I was investigating perf in node-chakracore, and I noticed that there were a lot of calls to IsExternal. I was surprised to find that it was essentially due to this line: https://github.com/nodejs/node/blob/master/src/env-inl.h#L275

According to https://github.com/nodejs/node/blob/master/src/util.h#L130 ASSERT is enabled unless NDEBUG is defined and I don't see anywhere in the build that sets that. Is this intentional? There is also a CHECK macro which doesn't have the same off switch, so it does seem like asserts are intended to be disabled in release builds.
@mscdex mscdex added c++ Issues and PRs that require attention from people who are familiar with C++. performance Issues and PRs related to the performance of Node.js. question Issues that look for answers. build Issues and PRs related to build files or the CI. labels Jul 24, 2017
@bnoordhuis
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Yes, it's intentional; node has always been compiled with asserts enabled.

In fact, we should probably just get rid of ASSERT and replace it with CHECK macros. I'll do that later today if I have time.

bnoordhuis added a commit to bnoordhuis/io.js that referenced this issue Jul 25, 2017
@bnoordhuis
src: replace ASSERT with CHECK
dc9d2fc 
Builds always have asserts enabled so there is no point distinguishing
between debug-only checks and run-time checks.  Replace calls to ASSERT
and friends with their CHECK counterparts.

Fixes: nodejs#14461
@bnoordhuis bnoordhuis mentioned this issue Jul 25, 2017
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addaleax pushed a commit that referenced this issue Jul 27, 2017
@bnoordhuis @addaleax
src: replace ASSERT with CHECK
eb7faf6 
Builds always have asserts enabled so there is no point distinguishing
between debug-only checks and run-time checks.  Replace calls to ASSERT
and friends with their CHECK counterparts.

Fixes: #14461
PR-URL: #14474
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>
Reviewed-By: Nikolai Vavilov <[email protected]>
Reviewed-By: XadillaX <[email protected]>
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@mscdex @bnoordhuis @MSLaguana