https://gcc.gnu.org/g:a09c04dbcfd9b41f574461e344394bee05b1f196
commit r16-4602-ga09c04dbcfd9b41f574461e344394bee05b1f196 Author: Alex Coplan <[email protected]> Date: Thu Oct 23 16:06:22 2025 +0000 testsuite: Add test for ICE fixed by r16-4571 I recently ran into an ICE that was fixed by richi's r16-4571-g1ceda79ca5fe1a1a296624a98de8fd04958fbe55. This adds a testcase for that fix. gcc/testsuite/ChangeLog: * gcc.dg/torture/vect-permute-ice.c: New test. Diff: --- gcc/testsuite/gcc.dg/torture/vect-permute-ice.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/gcc/testsuite/gcc.dg/torture/vect-permute-ice.c b/gcc/testsuite/gcc.dg/torture/vect-permute-ice.c new file mode 100644 index 000000000000..05a1da5d5d48 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/vect-permute-ice.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* This testcase triggered an ICE that was fixed by + g:1ceda79ca5fe1a1a296624a98de8fd04958fbe55. */ +char *a; +char c, e; +_Bool f() { + int g, d = 0; + for (int h = 0; h < 128; h += 8) { + char *b = &a[h]; + g = e * b[0] + c * b[1] + 2 * b[2] + 3 * b[3] + 4 * b[4] + 5 * b[5] + + 6 * b[6] + 7 * b[7]; + d += g; + } + return d; +}
