[clang] f978ea4 - [clang][clang-scan-deps] Aggregate the full dependency information.

[Michael Spencer via cfe-commits]

On Mon, Dec 16, 2019 at 7:48 AM Nemanja Ivanovic <nemanjai at ca.ibm.com>
wrote:

> Hi Michael,
> this turns out to be an assert failure:
>
> clang/tools/clang-scan-deps/ClangScanDeps.cpp:340: const
> clang::tooling::dependencies::ModuleDeps& FullDeps::lookup
> ModuleDeps(clang::tooling::dependencies::ClangModuleDep): Assertion `I !=
> Modules.end()' failed.
>
> Does this help with debugging at all?
>

No, I could see that from the logs. I need to know why that assert fails,
as it doesn't fail anywhere else. Knowing the content of `Modules` at that
point would potentially help.

- Michael Spencer


>
> Nemanja Ivanovic
> LLVM PPC Backend Development
> IBM Toronto Lab
> Email: nemanjai at ca.ibm.com
> Phone: 905-413-3388
>
>
>
> ----- Original message -----
> From: Michael Spencer <bigcheesegs at gmail.com>
> To: Nemanja Ivanovic <nemanjai at ca.ibm.com>
> Cc: cfe-commits at lists.llvm.org, LLVM on Power <powerllvm at ca.ibm.com>
> Subject: [EXTERNAL] Re: [clang] f978ea4 - [clang][clang-scan-deps]
> Aggregate the full dependency information.
> Date: Fri, Dec 13, 2019 4:44 PM
>
> On Thu, Dec 12, 2019 at 4:23 AM Nemanja Ivanovic <nemanjai at ca.ibm.com>
> wrote:
>
> Hi Michael,
> We are happy to help troubleshoot the issue this caused on our bot.
> Unfortunately, this bot is not one where we can give you access so we'll
> have to try and work together to debug this.
> Can you provide the link to the failing build so we can see which test
> case it was that caused the problem and we can start debugging from there?
>
>
> Here's one of the failures:
> http://lab.llvm.org:8011/builders/clang-ppc64le-linux-lnt/builds/21884
>
> It looks like it failed on every ppc64 linux bot (both be and le), but no
> other bots.
>
> - Michael Spencer
>
>
>
> Nemanja Ivanovic
> LLVM PPC Backend Development
> IBM Toronto Lab
> Email: nemanjai at ca.ibm.com
> Phone: 905-413-3388
>
>
>
> ----- Original message -----
> From: Michael Spencer <bigcheesegs at gmail.com>
> To: powerllvm at ca.ibm.com
> Cc: cfe-commits at lists.llvm.org
> Subject: [EXTERNAL] Re: [clang] f978ea4 - [clang][clang-scan-deps]
> Aggregate the full dependency information.
> Date: Wed, Dec 11, 2019 7:34 PM
>
> On Wed, Dec 11, 2019 at 2:41 PM Michael Spencer via cfe-commits <
> cfe-commits at lists.llvm.org> wrote:
>
>
> Author: Michael Spencer
> Date: 2019-12-11T14:40:51-08:00
> New Revision: f978ea498309adaebab8fbf1cd6e520e7e0e11f1
>
> URL:
> https://github.com/llvm/llvm-project/commit/f978ea498309adaebab8fbf1cd6e520e7e0e11f1
> DIFF:
> https://github.com/llvm/llvm-project/commit/f978ea498309adaebab8fbf1cd6e520e7e0e11f1.diff
>
> LOG: [clang][clang-scan-deps] Aggregate the full dependency information.
>
> Differential Revision: https://reviews.llvm.org/D70268
>
> Added:
>
>
> Modified:
>     clang/include/clang/Tooling/DependencyScanning/DependencyScanningTool.h
>     clang/include/clang/Tooling/DependencyScanning/ModuleDepCollector.h
>     clang/lib/Tooling/DependencyScanning/DependencyScanningTool.cpp
>     clang/lib/Tooling/DependencyScanning/DependencyScanningWorker.cpp
>     clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp
>     clang/test/ClangScanDeps/Inputs/modules_cdb.json
>     clang/test/ClangScanDeps/modules-full.cpp
>     clang/tools/clang-scan-deps/ClangScanDeps.cpp
>
>
>
> Looks like this broke clang-ppc64be-linux. Is there a good way to debug
> this? It's not failing anywhere else, and none of the code should care
> about endianness.
>
> I'll revert for now.
>
> - Michael Spencer
>
>
>
>
>
>
>
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