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* [Bug middle-end/112763] New: [OpenMP] ICE in gimplify_adjust_omp_clauses, at gimplify.cc:13238 – with defaultmap(firstprivate) for C++ member variables
@ 2023-11-29 13:13 burnus at gcc dot gnu.org
0 siblings, 0 replies; only message in thread
From: burnus at gcc dot gnu.org @ 2023-11-29 13:13 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112763
Bug ID: 112763
Summary: [OpenMP] ICE in gimplify_adjust_omp_clauses, at
gimplify.cc:13238 – with defaultmap(firstprivate) for
C++ member variables
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords: openmp
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: burnus at gcc dot gnu.org
Target Milestone: ---
Created attachment 56718
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56718&action=edit
Testcase; compile with 'g++ -fopenmp -DDEFAULT_FIRSTPRIVATE' for this PR or
without -D for PR110347
The following code uses a C++ member variable and 'defaultmap(firstprivate)'
causes an ICE.
I am not quite sure what the result should be but an ICE is surely wrong.
Vaguely related to OpenMP spec issue #3343, strongly related is my email today
to the omp-lang@ spec email list.
* * *
In member function ‘void myClass::tgt()’:
28:14: internal compiler error: in gimplify_adjust_omp_clauses, at
gimplify.cc:13238
28 | #pragma omp target defaultmap(firstprivate) private(d) if (0)
| ^~~
0x880609 gimplify_adjust_omp_clauses
../../repos/gcc-trunk-commit/gcc/gimplify.cc:13238
0x10094b4 gimplify_omp_workshare
../../repos/gcc-trunk-commit/gcc/gimplify.cc:15783
Compile the attached testcase with:
g++ -fopenmp -DDEFAULT_FIRSTPRIVATE
Note: it compiles with -DNON_MEMBER (and fails at runtime, which might be
correct).
See also PR 110347 for the case of unset DEFAULT_FIRSTPRIVATE, i.e. using
firstprivate(member_var) instead of default{,map}(firstprivate)
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2023-11-29 13:13 [Bug middle-end/112763] New: [OpenMP] ICE in gimplify_adjust_omp_clauses, at gimplify.cc:13238 – with defaultmap(firstprivate) for C++ member variables burnus at gcc dot gnu.org
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