Fix up 'c-c++-common/goacc/firstprivate-mappings-1.c' for C, non-LP64

Follow-up to recent og10 commit a70b5b1aa8b3d32f6728dbfcfc00b0cff8c5219d
"OpenMP 5.0: Implement relaxation of implicit map vs. existing device
mappings".

	gcc/testsuite/
	* c-c++-common/goacc/firstprivate-mappings-1.c: Fix up for C,
	non-LP64.
diff --git a/gcc/testsuite/ChangeLog.omp b/gcc/testsuite/ChangeLog.omp
index 45277a3..b18615a 100644
--- a/gcc/testsuite/ChangeLog.omp
+++ b/gcc/testsuite/ChangeLog.omp
@@ -1,3 +1,8 @@
+2021-05-07  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* c-c++-common/goacc/firstprivate-mappings-1.c: Fix up for C,
+	non-LP64.
+
 2021-04-11  Hafiz Abid Qadeer  <abidh@codesourcery.com>
 
 	Backport from mainline
diff --git a/gcc/testsuite/c-c++-common/goacc/firstprivate-mappings-1.c b/gcc/testsuite/c-c++-common/goacc/firstprivate-mappings-1.c
index f43e4b4..ab09dee 100644
--- a/gcc/testsuite/c-c++-common/goacc/firstprivate-mappings-1.c
+++ b/gcc/testsuite/c-c++-common/goacc/firstprivate-mappings-1.c
@@ -419,8 +419,8 @@
   copyout (array_so)
   /* The gimplifier has created an implicit 'firstprivate' clause for the array
      length.
-     { dg-final { scan-tree-dump {(?n)#pragma omp target oacc_parallel firstprivate\(array_li.[0-9]+\) map\(from:array_so \[len: 4\]\)} omplower { target { ! c++ } } } }
-     { dg-final { scan-tree-dump {(?n)#pragma omp target oacc_parallel firstprivate\([^)]+\) map\(from:array_so \[len: 4\]\)} omplower { target { c++ } } } }
+     { dg-final { scan-tree-dump {(?n)#pragma omp target oacc_parallel firstprivate\(array_li.[0-9]+\) map\(from:array_so \[len: 4\]\) \[} omplower { target { c && lp64 } } } }
+     { dg-final { scan-tree-dump {(?n)#pragma omp target oacc_parallel firstprivate\(D\.[0-9]+\) map\(from:array_so \[len: 4\]\) \[} omplower { target { c++ } } } }
      (C++ computes an intermediate value, so can't scan for 'firstprivate(array_li)'.)  */
   /* For C, non-LP64, the gimplifier has also created a mapping for the array
      itself; PR90859.