testsuite: make PR115277 test an execute one

	PR middle-end/115277
	* gcc.c-torture/compile/pr115277.c: Rename to...
	* gcc.c-torture/execute/pr115277.c: ...this.

diff --git a/gcc/testsuite/gcc.c-torture/compile/pr115277.c b/gcc/testsuite/gcc.c-torture/execute/pr115277.c
similarity index 100%
rename from gcc/testsuite/gcc.c-torture/compile/pr115277.c
rename to gcc/testsuite/gcc.c-torture/execute/pr115277.c