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TARGET_MEM_REF can be used to offset constant base into a memory object (to
produce lea instruction). This confuses points_to_local_or_readonly_memory_p
which treats the constant address as a base of the access.
Bootstrapped/regtsted x86_64-linux, comitted.
Honza
gcc/ChangeLog:
PR ipa/113787
* ipa-fnsummary.cc (points_to_local_or_readonly_memory_p): Do not
look into TARGET_MEM_REFS with constant opreand 0.
gcc/testsuite/ChangeLog:
* gcc.c-torture/execute/pr113787.c: New test.
(cherry picked from commit
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