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Bug 811360 - dev-util/intel-graphics-compiler-1.0.8517 fails to compile with gcc-11
Summary: dev-util/intel-graphics-compiler-1.0.8517 fails to compile with gcc-11
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Jan Henke
Keywords: PATCH
Depends on:
Blocks: gcc-11
  Show dependency tree
Reported: 2021-09-01 21:28 UTC by Agostino Sarubbo
Modified: 2021-09-03 18:25 UTC (History)
5 users (show)

See Also:
Package list:
Runtime testing required: ---

build.log.xz (build.log.xz,25.09 KB, application/x-xz)
2021-09-01 21:28 UTC, Agostino Sarubbo
intel-graphics-compiler-limits2.patch (intel-graphics-compiler-limits2.patch,549 bytes, patch)
2021-09-03 14:05 UTC, Bernd Buschinski
Details | Diff

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Description Agostino Sarubbo gentoo-dev 2021-09-01 21:28:11 UTC

Issue: dev-util/intel-graphics-compiler-1.0.8517 fails to compile with gcc-11.
Discovered on: amd64 (internal ref: ci)

This machine uses GCC-11:
Comment 1 Agostino Sarubbo gentoo-dev 2021-09-01 21:28:14 UTC
Created attachment 737083 [details]

build log and emerge --info (compressed because it exceeds attachment limit, use 'xzless' to read it)
Comment 2 Agostino Sarubbo gentoo-dev 2021-09-01 21:28:16 UTC
Possible context of error(s):

/var/tmp/portage/dev-util/intel-graphics-compiler-1.0.8517/work/intel-graphics-compiler-igc-1.0.8517/visa/Passes/InstCombine.cpp:304:33: error: ‘numeric_limits’ is not a member of ‘std’
Comment 3 Conrad Kostecki gentoo-dev 2021-09-02 23:12:14 UTC
Hm, I am kind of out of ideas. I just cannot reproduce. Just compiles fine for me.
Comment 4 Jan Henke 2021-09-03 07:57:16 UTC
Indeed strange. We explicitly added an upstream patch (intel-graphics-compiler-1.0.8173-fix-missing-limits.patch) to fix this problem and I have not encountered it since then. So I am also quite at a loss how this happens again.
Comment 5 Ionen Wolkens gentoo-dev 2021-09-03 08:02:00 UTC
I just tried it here, and ran into the same:

InstCombine.cpp:304:33: error: 'numeric_limits' is not a member of 'std'
  304 |                 if (imm >= std::numeric_limits<int32_t>::min() ||
      |                                 ^~~~~~~~~~~~~~

Try on a more minimal system maybe? It's possible this only gets used under certain conditions (like is this file getting compiled in your logs?). Comparing what cmake reports with yours and the log here may say something too.
Comment 6 Ionen Wolkens gentoo-dev 2021-09-03 08:04:38 UTC
Note that the patch only affects RegDeps.cpp, not InstCombine.cpp
Comment 7 Bernd Buschinski 2021-09-03 14:05:04 UTC
Created attachment 737221 [details, diff]

Patch taken from

Works fine here with GCC 11 (with the patch).
Comment 8 Conrad Kostecki gentoo-dev 2021-09-03 18:20:04 UTC
Allright, I managed finally to reproduce.
Comment 9 Larry the Git Cow gentoo-dev 2021-09-03 18:25:06 UTC
The bug has been closed via the following commit(s):

commit ec5cbbffdf1930b657578af501687a2e0c3eb329
Author:     Conrad Kostecki <>
AuthorDate: 2021-09-03 18:19:47 +0000
Commit:     Conrad Kostecki <>
CommitDate: 2021-09-03 18:24:59 +0000

    dev-util/intel-graphics-compiler: fix compilation
    This patch adds missing limits include,
    so compilation won't fail with GCC11.
    Package-Manager: Portage-3.0.22, Repoman-3.0.3
    Signed-off-by: Conrad Kostecki <>

 ...phics-compiler-1.0.8517-fix-missing-limits.patch | 21 +++++++++++++++++++++
 .../intel-graphics-compiler-1.0.8517.ebuild         |  1 +
 2 files changed, 22 insertions(+)