Andrew noticed that I added a c++ file to the wrong dir. This patch
corrects it.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/autovec/pr123074.C: Move to...
* g++.target/riscv/rvv/autovec/pr123074.C: ...here.
* gcc.target/riscv/rvv/rvv.exp: Remove 'C'.
"" $CFLAGS
gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/vsetvl/*.\[cS\]]] \
"" $CFLAGS
-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/autovec/*.\[cCS\]]] \
+dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/autovec/*.\[cS\]]] \
"-O3 -ftree-vectorize" $CFLAGS
dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/autovec/vls/*.\[cS\]]] \
"-O3 -ftree-vectorize -mrvv-vector-bits=scalable" $CFLAGS