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00:32:35  <jwolfe>is there still no way to enable debug symbols in release mode with gn?
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02:29:48  <caitp>jwolfe: you can do an opt debug build
02:30:32  <caitp>x64.optdebug (for example) with whatever combination of other flags you want
02:31:32  <caitp>don't forget you can see all options you can use with `gn args <dir> --list`
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07:45:08  <trungl-bot>Tree closed by [email protected]: closed (http://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20nosnap%20-%20shared/builds/19479 from 4f426e104dd67d2dd72bf44aef70c032eea3be7d)
07:47:09  <trungl-bot>Tree opened by [email protected]: open
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21:43:01  <jwolfe>caitp: thanks for the tip. i haven't tried anything called "optdebug" yet, but setting symbol_level=2 appeared to do nothing. upon further investigation, it looks like this was actually a debug build all along, not a release build. but the symbols still don't work. my takeaway is that a gn build cannot generate debug symbols regardless of release vs debug, even though when it trying to.
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21:47:27  <aklein>jwolfe: gn definitely generates debug symbols
21:47:38  <aklein>are you by any chance moving the binary out of the output directory?
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21:47:57  <jwolfe>aklein: i'm not moving anything.
21:48:20  <jwolfe>i'm saying it has no debug symbols because a crash gives a stack trace with only addresses and not file references
21:48:37  <aklein>jwolfe: what if you run it under a debugger?
21:48:51  <jwolfe>and the same crash does have file names when use make for a x64.debug configuration
21:48:58  <jwolfe>i'll try a debugger next
21:49:27  <aklein>I've found the auto-symbolization flaky enough for me over the years that I don't rely on it :/
21:49:44  <aklein>so always hop into gdb or lldb (depending on platform) when I have a crash
21:51:35  <jwolfe>aklein: the debugger does work
21:56:31  <caitp>base::StackTrace generates the printed trace, I think it's based on code from breakpad but not sure, probably not quite as reliable?
21:57:40  <caitp>but it does definitely produce different output depending on release vs debug
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