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From: "trippels at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug ipa/65087] [5 Regression] r220742 causes: ICE: in ipcp_verify_propagated_values, at ipa-cp.c:1057
Date: Fri, 27 Feb 2015 12:28:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65087

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |---

--- Comment #6 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
This issue still happens on ppc64le with -Os -flto -fdevirtualize-at-ltrans

trippels@gcc2-power8 library % cat minimal
/home/trippels/moz-build-dir/toolkit/library/../../gfx/2d/DrawTargetRecording.o
/home/trippels/moz-build-dir/toolkit/library/../../gfx/2d/FilterNodeSoftware.o
/home/trippels/moz-build-dir/toolkit/library/../../gfx/layers/ImageContainer.o
/home/trippels/moz-build-dir/toolkit/library/../../gfx/layers/Layers.o
/home/trippels/moz-build-dir/toolkit/library/../../gfx/layers/ImageLayers.o
/home/trippels/moz-build-dir/toolkit/library/../../gfx/layers/CompositorParent.o
/home/trippels/moz-build-dir/toolkit/library/../../gfx/layers/ImageBridgeChild.o
/home/trippels/moz-build-dir/toolkit/library/../../gfx/layers/LayerTransactionParent.o
/home/trippels/moz-build-dir/toolkit/library/../../gfx/thebes/gfxPangoFonts.o
/home/trippels/moz-build-dir/toolkit/library/../../gfx/thebes/gfxPlatform.o
/home/trippels/moz-build-dir/toolkit/library/../../gfx/thebes/gfxFont.o
/home/trippels/moz-build-dir/toolkit/library/../../gfx/thebes/gfxFontEntry.o
/home/trippels/moz-build-dir/toolkit/library/../../gfx/thebes/gfxPlatformFontList.o
/home/trippels/moz-build-dir/toolkit/library/../../gfx/thebes/gfxTextRun.o
trippels@gcc2-power8 library % ~/gcc_test/usr/local/bin/g++ -flto
-fdevirtualize-at-ltrans -shared @minimal
lto1: internal compiler error: in ipcp_verify_propagated_values, at
ipa-cp.c:1057
0x10d300cf ipcp_verify_propagated_values()
        ../../gcc/gcc/ipa-cp.c:1057
0x10d3221b ipcp_propagate_stage
        ../../gcc/gcc/ipa-cp.c:2757
0x10d3221b ipcp_driver
        ../../gcc/gcc/ipa-cp.c:4415
0x10d3221b execute
        ../../gcc/gcc/ipa-cp.c:4510
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper: fatal error: /home/trippels/gcc_test/usr/local/bin/g++ returned 1
exit status

(I don't have the necessary motivation to reduce 14 files individually.)