Hello world,

the attached patch fixes a buffer overrun in matmul, an 8 regression.
No test case since this was only detectable with the address sanitizer
or with valgrind.

Regression-tested on trunk. OK?

Regards

	Thomas

2018-04-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

         PR libfortran/85253
         * m4/matmul_internal.m4: If ycount == 1, add one more row to
         the internal buffer.
         * generated/matmul_c10.c: Regenerated.
         * generated/matmul_c16.c: Regenerated.
         * generated/matmul_c4.c: Regenerated.
         * generated/matmul_c8.c: Regenerated.
         * generated/matmul_i1.c: Regenerated.
         * generated/matmul_i16.c: Regenerated.
         * generated/matmul_i2.c: Regenerated.
         * generated/matmul_i4.c: Regenerated.
         * generated/matmul_i8.c: Regenerated.
         * generated/matmul_r10.c: Regenerated.
         * generated/matmul_r16.c: Regenerated.
         * generated/matmul_r4.c: Regenerated.
         * generated/matmul_r8.c: Regenerated.
         * generated/matmulavx128_c10.c: Regenerated.
         * generated/matmulavx128_c16.c: Regenerated.
         * generated/matmulavx128_c4.c: Regenerated.
         * generated/matmulavx128_c8.c: Regenerated.
         * generated/matmulavx128_i1.c: Regenerated.
         * generated/matmulavx128_i16.c: Regenerated.
         * generated/matmulavx128_i2.c: Regenerated.
         * generated/matmulavx128_i4.c: Regenerated.
         * generated/matmulavx128_i8.c: Regenerated.
         * generated/matmulavx128_r10.c: Regenerated.
         * generated/matmulavx128_r16.c: Regenerated.
         * generated/matmulavx128_r4.c: Regenerated.
         * generated/matmulavx128_r8.c: Regenerated.