gcc/c-family/ChangeLog: PR c/82063 * c.opt (-Wno-alloc-size-larger-than): New option. * doc/invoke.texi (-Walloc-size-larger-than): Update. gcc/ChangeLog: PR c/82063 * calls.c (alloc_max_size): Correct a logic error/typo. Treat excessive arguments as infinite. Warn for invalid arguments. gcc/testsuite/ChangeLog: PR c/82063 * gcc.dg/Walloc-size-larger-than-1.c: New test. * gcc.dg/Walloc-size-larger-than-10.c: New test. * gcc.dg/Walloc-size-larger-than-11.c: New test. * gcc.dg/Walloc-size-larger-than-12.c: New test. * gcc.dg/Walloc-size-larger-than-13.c: New test. * gcc.dg/Walloc-size-larger-than-14.c: New test. * gcc.dg/Walloc-size-larger-than-15.c: New test. * gcc.dg/Walloc-size-larger-than-16.c: New test. * gcc.dg/Walloc-size-larger-than-17.c: New test. * gcc.dg/Walloc-size-larger-than-2.c: New test. * gcc.dg/Walloc-size-larger-than-3.c: New test. * gcc.dg/Walloc-size-larger-than-4.c: New test. * gcc.dg/Walloc-size-larger-than-5.c: New test. * gcc.dg/Walloc-size-larger-than-6.c: New test. * gcc.dg/Walloc-size-larger-than-7.c: New test. * gcc.dg/Walloc-size-larger-than-8.c: New test. * gcc.dg/Walloc-size-larger-than-9.c: New test. * gcc.dg/Walloc-size-larger-than.c: New test. From-SVN: r261030
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