aarch64: Adjust spellcheck tests for recent quotation-mark changes

Adjust tests for quotation-mark and punctuation changes.

gcc/testsuite:

	* gcc.target/aarch64/spellcheck_1.c: Adjust tests for new output.
	* gcc.target/aarch64/spellcheck_2.c: Likewise.
	* gcc.target/aarch64/spellcheck_3.c: Likewise.
	* gcc.target/aarch64/spellcheck_7.c: Likewise.
diff --git a/gcc/testsuite/gcc.target/aarch64/spellcheck_1.c b/gcc/testsuite/gcc.target/aarch64/spellcheck_1.c
index a0795c1c..8654674 100644
--- a/gcc/testsuite/gcc.target/aarch64/spellcheck_1.c
+++ b/gcc/testsuite/gcc.target/aarch64/spellcheck_1.c
@@ -4,6 +4,6 @@
 foo ()
 {
   /* { dg-message "valid arguments are: \[^\n\r]*(; did you mean 'armv*'?)?"  "" { target *-*-* } .-1 } */
-  /* { dg-error "invalid name \\(\"armv8-a-typo\"\\) in 'target\\(\"arch=\"\\)' pragma or attribute"  "" { target *-*-* } .-2 } */
+  /* { dg-error "invalid name \\('armv8-a-typo'\\) in 'target\\(\"arch=\"\\)' pragma or attribute"  "" { target *-*-* } .-2 } */
   /* { dg-error "pragma or attribute 'target\\(\"arch=armv8-a-typo\"\\)' is not valid"  "" { target *-*-* } .-3 } */
 }
diff --git a/gcc/testsuite/gcc.target/aarch64/spellcheck_2.c b/gcc/testsuite/gcc.target/aarch64/spellcheck_2.c
index 70096f8..1cc2c05 100644
--- a/gcc/testsuite/gcc.target/aarch64/spellcheck_2.c
+++ b/gcc/testsuite/gcc.target/aarch64/spellcheck_2.c
@@ -4,6 +4,6 @@
 foo ()
 {
   /* { dg-message "valid arguments are: \[^\n\r]*; did you mean 'cortex-a57'?"  "" { target *-*-* } .-1 } */
-  /* { dg-error "invalid name \\(\"cortex-a57-typo\"\\) in 'target\\(\"cpu=\"\\)' pragma or attribute"  "" { target *-*-* } .-2 } */
+  /* { dg-error "invalid name \\('cortex-a57-typo'\\) in 'target\\(\"cpu=\"\\)' pragma or attribute"  "" { target *-*-* } .-2 } */
   /* { dg-error "pragma or attribute 'target\\(\"cpu=cortex-a57-typo\"\\)' is not valid"  "" { target *-*-* } .-3 } */
 }
diff --git a/gcc/testsuite/gcc.target/aarch64/spellcheck_3.c b/gcc/testsuite/gcc.target/aarch64/spellcheck_3.c
index 20dff2b..9953872 100644
--- a/gcc/testsuite/gcc.target/aarch64/spellcheck_3.c
+++ b/gcc/testsuite/gcc.target/aarch64/spellcheck_3.c
@@ -4,6 +4,6 @@
 foo ()
 {
   /* { dg-message "valid arguments are: \[^\n\r]*; did you mean 'cortex-a57'?"  "" { target *-*-* } .-1 } */
-  /* { dg-error "invalid name \\(\"cortex-a57-typo\"\\) in 'target\\(\"tune=\"\\)' pragma or attribute"  "" { target *-*-* } .-2 } */
+  /* { dg-error "invalid name \\('cortex-a57-typo'\\) in 'target\\(\"tune=\"\\)' pragma or attribute"  "" { target *-*-* } .-2 } */
   /* { dg-error "pragma or attribute 'target\\(\"tune=cortex-a57-typo\"\\)' is not valid"  "" { target *-*-* } .-3 } */
 }
diff --git a/gcc/testsuite/gcc.target/aarch64/spellcheck_7.c b/gcc/testsuite/gcc.target/aarch64/spellcheck_7.c
index 1d31950..1e1cbec 100644
--- a/gcc/testsuite/gcc.target/aarch64/spellcheck_7.c
+++ b/gcc/testsuite/gcc.target/aarch64/spellcheck_7.c
@@ -9,4 +9,4 @@
 }
 
 /* { dg-error "invalid feature modifier .typo. in .-march=armv8-a\\+typo."  "" { target *-*-* } 0 } */
-/* { dg-message "valid arguments are: \[^\n\r]*;'?"  "" { target *-*-* } 0 } */
+/* { dg-message "valid arguments are: \[^\n\r]*"  "" { target *-*-* } 0 } */