diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 4dc32b489d122cf237dc4750c0f36558831b9ac1..8287dcfac73b16b521e23f525825133c0dcf02b7 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,12 @@
+2019-05-22  Martin Liska  <mliska@suse.cz>
+
+	PR testsuite/90564
+	* gcc.target/powerpc/pr80315-1.c: Add one extra \ to escape
+	brackets.
+	* gcc.target/powerpc/pr80315-2.c: Likewise.
+	* gcc.target/powerpc/pr80315-3.c: Likewise.
+	* gcc.target/powerpc/pr80315-4.c: Likewise.
+
 2019-05-22  Iain Sandoe  <iain@sandoe.co.uk>
 
 	PR testsuite/27221
diff --git a/gcc/testsuite/gcc.target/powerpc/pr80315-1.c b/gcc/testsuite/gcc.target/powerpc/pr80315-1.c
index 2f670a0c6c7c78753431f93cd2b487b20e8740cb..87b69a6a5d557c99abfb540bc9de78cf32b180c6 100644
--- a/gcc/testsuite/gcc.target/powerpc/pr80315-1.c
+++ b/gcc/testsuite/gcc.target/powerpc/pr80315-1.c
@@ -10,6 +10,6 @@ main()
   int mask;
 
   /* Argument 2 must be 0 or 1.  Argument 3 must be in range 0..15.  */
-  res = __builtin_crypto_vshasigmaw (test, 1, 0xff); /* { dg-error "argument 3 must be in the range \\[0, 15\\]" } */
+  res = __builtin_crypto_vshasigmaw (test, 1, 0xff); /* { dg-error "argument 3 must be in the range \\\[0, 15\\\]" } */
   return 0;
 }
diff --git a/gcc/testsuite/gcc.target/powerpc/pr80315-2.c b/gcc/testsuite/gcc.target/powerpc/pr80315-2.c
index e95187e21796dca7c6ac0f116e0f28ba713cfa0f..d2de5fd5a47d3ec8e263324787974710fee82282 100644
--- a/gcc/testsuite/gcc.target/powerpc/pr80315-2.c
+++ b/gcc/testsuite/gcc.target/powerpc/pr80315-2.c
@@ -10,6 +10,6 @@ main ()
   int mask;
 
   /* Argument 2 must be 0 or 1.  Argument 3 must be in range 0..15.  */
-  res = __builtin_crypto_vshasigmad (test, 1, 0xff); /* { dg-error "argument 3 must be in the range \\[0, 15\\]" } */
+  res = __builtin_crypto_vshasigmad (test, 1, 0xff); /* { dg-error "argument 3 must be in the range \\\[0, 15\\\]" } */
   return 0;
 }
diff --git a/gcc/testsuite/gcc.target/powerpc/pr80315-3.c b/gcc/testsuite/gcc.target/powerpc/pr80315-3.c
index f1a782663a11131daa416c8c8f547d3b550410c9..025fdbdf767f1fc16f1561d64d4140e15d5a11e5 100644
--- a/gcc/testsuite/gcc.target/powerpc/pr80315-3.c
+++ b/gcc/testsuite/gcc.target/powerpc/pr80315-3.c
@@ -12,6 +12,6 @@ main ()
   int mask;
 
   /* Argument 2 must be 0 or 1.  Argument 3 must be in range 0..15.  */
-  res = vec_shasigma_be (test, 1, 0xff); /* { dg-error "argument 3 must be in the range \\[0, 15\\]" } */
+  res = vec_shasigma_be (test, 1, 0xff); /* { dg-error "argument 3 must be in the range \\\[0, 15\\\]" } */
   return res;
 }
diff --git a/gcc/testsuite/gcc.target/powerpc/pr80315-4.c b/gcc/testsuite/gcc.target/powerpc/pr80315-4.c
index 66a3efce9c520461a8f9e4e2dbd1628aa57f10bc..d9f7b8dc202c0eb04735ef9000be0d8443ec5fc1 100644
--- a/gcc/testsuite/gcc.target/powerpc/pr80315-4.c
+++ b/gcc/testsuite/gcc.target/powerpc/pr80315-4.c
@@ -12,6 +12,6 @@ main ()
   int mask;
 
   /* Argument 2 must be 0 or 1.  Argument 3 must be in range 0..15.  */
-  res = vec_shasigma_be (test, 1, 0xff); /* { dg-error "argument 3 must be in the range \\[0, 15\\]" } */
+  res = vec_shasigma_be (test, 1, 0xff); /* { dg-error "argument 3 must be in the range \\\[0, 15\\\]" } */
   return res;
 }