[PowerPC] Fix test for PR45297 to adapt build without asserts. NFC.

(cherry picked from commit 26b46b6)

Author: Kai Luo

llvm/test/CodeGen/PowerPC/pr45297.ll

@@ -1,7 +1,7 @@
 ; RUN: not --crash llc -verify-machineinstrs \
 ; RUN:   -mtriple=powerpc64le-unknown-linux-gnu -mattr=+altivec \
 ; RUN:   -mattr=-power8-vector -mattr=-vsx < %s 2>&1 | FileCheck %s
-; CHECK: LLVM ERROR: Cannot select: t{{[0-9]+}}: ch = PPCISD::ST_VSR_SCAL_INT<(store 4 into @Global)>
+; CHECK: LLVM ERROR: Cannot select: {{.*}}: ch = PPCISD::ST_VSR_SCAL_INT<(store 4 into @Global)>
 
 @Global = dso_local global i32 55, align 4