[Bug 1981917] [NEW] flint-arb FTBFS with LTO enabled

[Graham Inggs]

Public bug reported:

flint-arb FTBFS with LTO enabled since 1:2.23.0-1
(1:2.22.1-3 built successfully)

Excerpt from the build log:

during IPA pass: inline
lto1: internal compiler error: Segmentation fault
0xd17c3f internal_error(char const*, ...)
	???:0
0xf60fcf ipa_merge_modref_summary_after_inlining(cgraph_edge*)
	???:0
0xf5c705 inline_call(cgraph_edge*, bool, vec<cgraph_edge*, va_heap, vl_ptr>*, int*, bool, bool*)
	???:0
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-11/README.Bugs> for instructions.
lto-wrapper: fatal error: gcc returned 1 exit status
compilation terminated.
/usr/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status

** Affects: flint-arb (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: lto-disabled-list (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: ftbfs update-excuse

** Also affects: lto-disabled-list (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1981917

Title:
  flint-arb FTBFS with LTO enabled

Status in flint-arb package in Ubuntu:
  New
Status in lto-disabled-list package in Ubuntu:
  New

Bug description:
  flint-arb FTBFS with LTO enabled since 1:2.23.0-1
  (1:2.22.1-3 built successfully)

  Excerpt from the build log:

  during IPA pass: inline
  lto1: internal compiler error: Segmentation fault
  0xd17c3f internal_error(char const*, ...)
  	???:0
  0xf60fcf ipa_merge_modref_summary_after_inlining(cgraph_edge*)
  	???:0
  0xf5c705 inline_call(cgraph_edge*, bool, vec<cgraph_edge*, va_heap, vl_ptr>*, int*, bool, bool*)
  	???:0
  Please submit a full bug report,
  with preprocessed source if appropriate.
  Please include the complete backtrace with any bug report.
  See <file:///usr/share/doc/gcc-11/README.Bugs> for instructions.
  lto-wrapper: fatal error: gcc returned 1 exit status
  compilation terminated.
  /usr/bin/ld: error: lto-wrapper failed
  collect2: error: ld returned 1 exit status

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