Rollup merge of rust-lang#49484 - cuviper:ignore-ibm-stack-probes, r=alexcrichton

Ignore stack-probes tests on powerpc/s390x too

We only support stack probes on x86 and x86_64.
Other arches are already ignored.

Author: kennytm

src/test/codegen/stack-probes.rs

@@ -13,6 +13,7 @@
 // ignore-mips
 // ignore-mips64
 // ignore-powerpc
+// ignore-s390x
 // ignore-wasm
 // ignore-emscripten
 // ignore-windows

src/test/run-pass/stack-probes-lto.rs

@@ -12,6 +12,8 @@
 // ignore-aarch64
 // ignore-mips
 // ignore-mips64
+// ignore-powerpc
+// ignore-s390x
 // ignore-wasm
 // ignore-cloudabi no processes
 // ignore-emscripten no processes

src/test/run-pass/stack-probes.rs

@@ -12,6 +12,8 @@
 // ignore-aarch64
 // ignore-mips
 // ignore-mips64
+// ignore-powerpc
+// ignore-s390x
 // ignore-wasm
 // ignore-cloudabi no processes
 // ignore-emscripten no processes