[gcc(refs/vendors/ARM/heads/arm-perf-staging)] testsuite: Save dg-do-what-default in mve.exp

[Tamar Christina]

https://gcc.gnu.org/g:b5620fadc53be38da9f4b8107348759afb2c29df

commit b5620fadc53be38da9f4b8107348759afb2c29df
Author: Richard Sandiford <richard.sandiford@arm.com>
Date:   Wed Apr 29 10:40:30 2020 +0100

    testsuite: Save dg-do-what-default in mve.exp
    
    mve.exp changed the default dg-do action to "assemble", but then
    left it like that for later exp files.  This meant that in a
    two-multilib test run, the first arm.exp run would have a default
    of "dg-do compile" and the second would have a default of
    "dg-do assemble".
    
    2020-04-29  Richard Sandiford  <richard.sandiford@arm.com>
    
    gcc/testsuite/
            * g++.target/arm/mve.exp: Restore the original dg-do-what-default
            before finishing.

Diff:
---
 gcc/testsuite/ChangeLog              | 5 +++++
 gcc/testsuite/g++.target/arm/mve.exp | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a8b69a15ccb..c304ddcf2c7 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2020-04-29  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* g++.target/arm/mve.exp: Restore the original dg-do-what-default
+	before finishing.
+
 2020-04-29  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/94707
diff --git a/gcc/testsuite/g++.target/arm/mve.exp b/gcc/testsuite/g++.target/arm/mve.exp
index 08f8d4d87f6..e5b4b65eb57 100644
--- a/gcc/testsuite/g++.target/arm/mve.exp
+++ b/gcc/testsuite/g++.target/arm/mve.exp
@@ -35,6 +35,7 @@ global dg_runtest_extra_prunes
 set dg_runtest_extra_prunes ""
 lappend dg_runtest_extra_prunes "warning: switch -m(cpu|arch)=.* conflicts with -m(cpu|arch)=.* switch"
 
+set save-dg-do-what-default ${dg-do-what-default}
 set dg-do-what-default "assemble"
 
 # Initialize `dg'.
@@ -45,5 +46,6 @@ dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/../../gcc.target/arm/mve/int
 	"" $DEFAULT_CXXFLAGS
 
 # All done.
+set dg-do-what-default ${save-dg-do-what-default}
 set dg_runtest_extra_prunes ""
 dg-finish