[gdb/testsuite] Use c++ flag in c++ test-cases

In some cases, test-cases use c++, but don't add "c++" to the compilation
flags.  This can cause problems with some compilers.

Fix this in some test-cases.

Approved-By: Tom Tromey <tom@tromey.com>

PR testsuite/30380
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=30380

21 files changed, 108 insertions, 25 deletions

diff --git a/gdb/testsuite/gdb.arch/amd64-entry-value.exp b/gdb/testsuite/gdb.arch/amd64-entry-value.exp
index 4a28b7e..3d119d0 100644
--- a/gdb/testsuite/gdb.arch/amd64-entry-value.exp
+++ b/gdb/testsuite/gdb.arch/amd64-entry-value.exp
@@ -19,7 +19,9 @@ set opts {nopie}
 if [info exists COMPILE] {
     # make check RUNTESTFLAGS="gdb.arch/amd64-entry-value.exp COMPILE=1"
     set srcfile ${testfile}.cc
-    lappend opts debug optimize=-O2
+    lappend opts debug
+    lappend opts optimize=-O2
+    lappend opts c++
 } else {
     require is_x86_64_m64_target
 }
diff --git a/gdb/testsuite/gdb.arch/amd64-tailcall-cxx.exp b/gdb/testsuite/gdb.arch/amd64-tailcall-cxx.exp
index 8bd26c4..24d9945 100644
--- a/gdb/testsuite/gdb.arch/amd64-tailcall-cxx.exp
+++ b/gdb/testsuite/gdb.arch/amd64-tailcall-cxx.exp
@@ -19,7 +19,9 @@ standard_testfile amd64-tailcall-cxx1.S amd64-tailcall-cxx2.S
 if [info exists COMPILE] {
     # make check RUNTESTFLAGS="gdb.arch/amd64-tailcall-cxx.exp COMPILE=1"
     standard_testfile amd64-tailcall-cxx1.cc amd64-tailcall-cxx2.cc
-    lappend opts debug optimize=-O2
+    lappend opts debug
+    lappend opts optimize=-O2
+    lappend opts c++
 } else {
     require is_x86_64_m64_target
 }
diff --git a/gdb/testsuite/gdb.base/condbreak-multi-context.exp b/gdb/testsuite/gdb.base/condbreak-multi-context.exp
index 3af3708..3a4fe37 100644
--- a/gdb/testsuite/gdb.base/condbreak-multi-context.exp
+++ b/gdb/testsuite/gdb.base/condbreak-multi-context.exp
@@ -18,7 +18,11 @@
 
 standard_testfile .cc
 
-if {[prepare_for_testing "failed to prepare" ${binfile} ${srcfile}]} {
+set flags {}
+lappend flags debug
+lappend flags c++
+
+if {[prepare_for_testing "failed to prepare" ${binfile} ${srcfile} $flags]} {
     return
 }
 
diff --git a/gdb/testsuite/gdb.base/main-psymtab.exp b/gdb/testsuite/gdb.base/main-psymtab.exp
index 2cd0d61..cc0ca65 100644
--- a/gdb/testsuite/gdb.base/main-psymtab.exp
+++ b/gdb/testsuite/gdb.base/main-psymtab.exp
@@ -15,7 +15,11 @@
 
 standard_testfile persistent-lang.cc
 
-if {[build_executable "failed to prepare" $testfile $srcfile debug]} {
+set flags {}
+lappend flags debug
+lappend flags c++
+
+if {[build_executable "failed to prepare" $testfile $srcfile $flags]} {
     return -1
 }
 
diff --git a/gdb/testsuite/gdb.base/persistent-lang.exp b/gdb/testsuite/gdb.base/persistent-lang.exp
index f813915..d3bedae 100644
--- a/gdb/testsuite/gdb.base/persistent-lang.exp
+++ b/gdb/testsuite/gdb.base/persistent-lang.exp
@@ -15,7 +15,11 @@
 
 standard_testfile .cc
 
-if {[build_executable "failed to prepare" $testfile $srcfile debug]} {
+set flags {}
+lappend flags debug
+lappend flags c++
+
+if {[build_executable "failed to prepare" $testfile $srcfile $flags]} {
     return -1
 }
 
diff --git a/gdb/testsuite/gdb.base/skipcxx.exp b/gdb/testsuite/gdb.base/skipcxx.exp
index 60b8fa1..73beed8 100644
--- a/gdb/testsuite/gdb.base/skipcxx.exp
+++ b/gdb/testsuite/gdb.base/skipcxx.exp
@@ -15,7 +15,11 @@
 
 standard_testfile .cc
 
-if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
+set flags {}
+lappend flags debug
+lappend flags c++
+
+if {[prepare_for_testing "failed to prepare" $testfile $srcfile $flags]} {
     return -1
 }
 
diff --git a/gdb/testsuite/gdb.base/start-cpp.exp b/gdb/testsuite/gdb.base/start-cpp.exp
index b4a036e..330c6ea 100644
--- a/gdb/testsuite/gdb.base/start-cpp.exp
+++ b/gdb/testsuite/gdb.base/start-cpp.exp
@@ -17,7 +17,11 @@ require !use_gdb_stub
 
 standard_testfile .cc
 
-if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
+set flags {}
+lappend flags debug
+lappend flags c++
+
+if {[prepare_for_testing "failed to prepare" $testfile $srcfile $flags]} {
     return -1
 }
 
diff --git a/gdb/testsuite/gdb.cp/call-method-register.exp b/gdb/testsuite/gdb.cp/call-method-register.exp
index 1019d4f..b06620f 100644
--- a/gdb/testsuite/gdb.cp/call-method-register.exp
+++ b/gdb/testsuite/gdb.cp/call-method-register.exp
@@ -23,8 +23,15 @@ load_lib dwarf.exp
 
 standard_testfile .cc -dw.S
 
-if {[prepare_for_testing "failed to prepare" $testfile $srcfile \
-	 {debug c++}]} {
+set flags_debug {}
+lappend flags_debug debug
+lappend flags_debug c++
+
+set flags_nodebug {}
+lappend flags_nodebug nodebug
+lappend flags_nodebug c++
+
+if {[prepare_for_testing "failed to prepare" $testfile $srcfile $flags_debug]} {
     return -1
 }
 
@@ -32,7 +39,7 @@ set asm_file [standard_output_file $srcfile2]
 Dwarf::assemble $asm_file {
 
     set main_result \
-	[function_range main ${::srcdir}/${::subdir}/${::srcfile}]
+	[function_range main ${::srcdir}/${::subdir}/${::srcfile} $::flags_debug]
     set main_start [lindex $main_result 0]
     set main_length [lindex $main_result 1]
 
@@ -97,7 +104,7 @@ Dwarf::assemble $asm_file {
 }
 
 if { [prepare_for_testing "failed to prepare" ${testfile} \
-	  [list $srcfile $asm_file] {nodebug}] } {
+	  [list $srcfile $asm_file] $::flags_nodebug] } {
     return -1
 }
 
diff --git a/gdb/testsuite/gdb.cp/empty-enum.exp b/gdb/testsuite/gdb.cp/empty-enum.exp
index 6816e86..5fce487 100644
--- a/gdb/testsuite/gdb.cp/empty-enum.exp
+++ b/gdb/testsuite/gdb.cp/empty-enum.exp
@@ -31,6 +31,7 @@ standard_testfile .cc
 
 set opts {}
 lappend opts debug
+lappend opts c++
 lappend opts additional_flags=-std=c++11
 
 if {[prepare_for_testing "failed to prepare" $testfile $srcfile $opts]} {
diff --git a/gdb/testsuite/gdb.cp/incomplete-type-overload.exp b/gdb/testsuite/gdb.cp/incomplete-type-overload.exp
index 1f94c3e..83f0928 100644
--- a/gdb/testsuite/gdb.cp/incomplete-type-overload.exp
+++ b/gdb/testsuite/gdb.cp/incomplete-type-overload.exp
@@ -25,7 +25,15 @@ require dwarf2_support allow_cplus_tests
 standard_testfile .cc .S
 set asm_file [standard_output_file ${srcfile2}]
 
-if [prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}] {
+set flags_debug {}
+lappend flags_debug debug
+lappend flags_debug c++
+
+set flags_nodebug {}
+lappend flags_nodebug nodebug
+lappend flags_nodebug c++
+
+if [prepare_for_testing "failed to prepare" $testfile $srcfile $flags_debug] {
     return
 }
 
@@ -38,7 +46,7 @@ set int_size [get_sizeof "int" -1]
 set addr_size [get_sizeof "void *" -1]
 set struct_base_size [get_sizeof "base" 4]
 set struct_complete_size [get_sizeof "complete" 4]
-get_func_info foo
+get_func_info foo $flags_debug
 
 # Create fake DWARF for the .cc file.
 # This is the best way to ensure we have an incomplete type.
@@ -159,7 +167,8 @@ Dwarf::assemble ${asm_file} {
     }
 }
 
-if [prepare_for_testing "failed to prepare" $testfile [list $asm_file $srcfile] {}] {
+if [prepare_for_testing "failed to prepare" $testfile \
+	[list $asm_file $srcfile] $flags_nodebug] {
     return
 }
 
diff --git a/gdb/testsuite/gdb.cp/main-cp.exp b/gdb/testsuite/gdb.cp/main-cp.exp
index 6c247e9d..98024bf 100644
--- a/gdb/testsuite/gdb.cp/main-cp.exp
+++ b/gdb/testsuite/gdb.cp/main-cp.exp
@@ -20,7 +20,11 @@ standard_testfile main.cc
 
 require !readnow
 
-if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } {
+set opts {}
+lappend opts debug
+lappend opts c++
+
+if { [prepare_for_testing "failed to prepare" $testfile $srcfile $opts] } {
     return -1
 }
 
diff --git a/gdb/testsuite/gdb.cp/method-call-in-c.exp b/gdb/testsuite/gdb.cp/method-call-in-c.exp
index 4676a1b..1c2b432 100644
--- a/gdb/testsuite/gdb.cp/method-call-in-c.exp
+++ b/gdb/testsuite/gdb.cp/method-call-in-c.exp
@@ -22,6 +22,7 @@ standard_testfile .cc
 
 set opts {}
 lappend opts debug
+lappend opts c++
 lappend opts additional_flags=-std=c++11
 
 if { [prepare_for_testing "failed to prepare" $testfile $srcfile $opts] } {
diff --git a/gdb/testsuite/gdb.cp/minsym-fallback.exp b/gdb/testsuite/gdb.cp/minsym-fallback.exp
index 19ff264..6d8fd48 100644
--- a/gdb/testsuite/gdb.cp/minsym-fallback.exp
+++ b/gdb/testsuite/gdb.cp/minsym-fallback.exp
@@ -21,13 +21,21 @@ standard_testfile .cc minsym-fallback-main.cc
 
 include_file minsym-fallback.h
 
+set debug_flags {}
+lappend debug_flags debug
+lappend debug_flags c++
+
+set nodebug_flags {}
+lappend nodebug_flags nodebug
+lappend nodebug_flags c++
+
 set executable $testfile
 set objfile [standard_output_file ${testfile}.o]
 set objmainfile [standard_output_file ${testfile}-main.o]
 
-if {[gdb_compile $srcdir/$subdir/$srcfile $objfile object {}] != ""
-    || [gdb_compile $srcdir/$subdir/$srcfile2 $objmainfile object {debug}] != ""
-    || [gdb_compile "$objfile $objmainfile" $binfile executable {c++}] != ""} {
+if {[gdb_compile $srcdir/$subdir/$srcfile $objfile object $nodebug_flags] != ""
+    || [gdb_compile $srcdir/$subdir/$srcfile2 $objmainfile object $debug_flags] != ""
+    || [gdb_compile "$objfile $objmainfile" $binfile executable $debug_flags] != ""} {
     untested "failed to compile"
     return -1
 }
diff --git a/gdb/testsuite/gdb.cp/vla-cxx.exp b/gdb/testsuite/gdb.cp/vla-cxx.exp
index bf3ca79..4303383 100644
--- a/gdb/testsuite/gdb.cp/vla-cxx.exp
+++ b/gdb/testsuite/gdb.cp/vla-cxx.exp
@@ -15,7 +15,11 @@
 
 standard_testfile .cc
 
-if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
+set flags {}
+lappend flags debug
+lappend flags c++
+
+if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} $flags] } {
     return -1
 }
 
diff --git a/gdb/testsuite/gdb.dwarf2/gdb-index-cxx.exp b/gdb/testsuite/gdb.dwarf2/gdb-index-cxx.exp
index a62de7b..7083ab7 100644
--- a/gdb/testsuite/gdb.dwarf2/gdb-index-cxx.exp
+++ b/gdb/testsuite/gdb.dwarf2/gdb-index-cxx.exp
@@ -19,6 +19,7 @@ standard_testfile index.cc
 
 set opts {}
 lappend opts debug
+lappend opts c++
 lappend opts additional_flags=-std=c++11
 
 if {[prepare_for_testing "failed to prepare" "${testfile}" \
diff --git a/gdb/testsuite/gdb.dwarf2/method-ptr.exp b/gdb/testsuite/gdb.dwarf2/method-ptr.exp
index 4b4c222..9bb4776 100644
--- a/gdb/testsuite/gdb.dwarf2/method-ptr.exp
+++ b/gdb/testsuite/gdb.dwarf2/method-ptr.exp
@@ -76,7 +76,7 @@ Dwarf::assemble $asm_file {
 }
 
 if { [prepare_for_testing "failed to prepare" ${testfile} \
-	  [list $srcfile $asm_file] {nodebug}] } {
+	  [list $srcfile $asm_file] {nodebug c++}] } {
     return -1
 }
 
diff --git a/gdb/testsuite/gdb.dwarf2/missing-type-name-for-templates.exp b/gdb/testsuite/gdb.dwarf2/missing-type-name-for-templates.exp
index 06bd896..869b29f 100644
--- a/gdb/testsuite/gdb.dwarf2/missing-type-name-for-templates.exp
+++ b/gdb/testsuite/gdb.dwarf2/missing-type-name-for-templates.exp
@@ -25,6 +25,17 @@ require dwarf2_support
 
 standard_testfile .cc .S
 
+set debug_flags {}
+lappend debug_flags debug
+lappend debug_flags c++
+
+set nodebug_flags {}
+lappend nodebug_flags nodebug
+lappend nodebug_flags c++
+
+get_func_info main $debug_flags
+
+
 set asm_file [standard_output_file $srcfile2]
 Dwarf::assemble $asm_file {
     cu {} {
@@ -47,7 +58,8 @@ Dwarf::assemble $asm_file {
 
 	    DW_TAG_subprogram {
 		{DW_AT_name "main"}
-		{MACRO_AT_range "main"}
+		{DW_AT_low_pc $::main_start DW_FORM_addr}
+		{DW_AT_high_pc $::main_end DW_FORM_addr}
 		{DW_AT_type :$int}
 		{DW_AT_external 1 DW_FORM_flag}
 	    } {
@@ -141,7 +153,7 @@ Dwarf::assemble $asm_file {
 }
 
 if { [prepare_for_testing "failed to prepare" ${testfile} \
-	[list $srcfile $asm_file] {nodebug c++}] } {
+	[list $srcfile $asm_file] $nodebug_flags] } {
     return -1
 }
 
diff --git a/gdb/testsuite/gdb.dwarf2/subrange.exp b/gdb/testsuite/gdb.dwarf2/subrange.exp
index 2671f82..d384fb6 100644
--- a/gdb/testsuite/gdb.dwarf2/subrange.exp
+++ b/gdb/testsuite/gdb.dwarf2/subrange.exp
@@ -102,7 +102,7 @@ Dwarf::assemble $asm_file {
 }
 
 if { [prepare_for_testing "failed to prepare" ${testfile} \
-	  [list $srcfile $asm_file] {nodebug}] } {
+	  [list $srcfile $asm_file] {nodebug c++}] } {
     return -1
 }
 
diff --git a/gdb/testsuite/gdb.guile/types-module.exp b/gdb/testsuite/gdb.guile/types-module.exp
index ee55804..dfd9422 100644
--- a/gdb/testsuite/gdb.guile/types-module.exp
+++ b/gdb/testsuite/gdb.guile/types-module.exp
@@ -22,7 +22,11 @@ require allow_guile_tests
 
 standard_testfile .cc
 
-if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
+set flags {}
+lappend flags debug
+lappend flags c++
+
+if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} $flags] } {
     return -1
 }
 
diff --git a/gdb/testsuite/gdb.linespec/cpcompletion.exp b/gdb/testsuite/gdb.linespec/cpcompletion.exp
index 2293238..b5fc5eb 100644
--- a/gdb/testsuite/gdb.linespec/cpcompletion.exp
+++ b/gdb/testsuite/gdb.linespec/cpcompletion.exp
@@ -22,8 +22,12 @@ standard_testfile cpcompletion.cc cpls.cc cpls2.cc cpls-hyphen.cc
 
 set opts {}
 lappend opts debug
+lappend opts c++
 lappend opts additional_flags=-std=c++11
 
+set flags {}
+lappend flags debug
+
 if {[prepare_for_testing "failed to prepare" $testfile \
 	 [list $srcfile $srcfile2 $srcfile3 $srcfile4] $opts]} {
     return -1
diff --git a/gdb/testsuite/gdb.linespec/cpls-ops.exp b/gdb/testsuite/gdb.linespec/cpls-ops.exp
index 22428da..7ffcc5c 100644
--- a/gdb/testsuite/gdb.linespec/cpls-ops.exp
+++ b/gdb/testsuite/gdb.linespec/cpls-ops.exp
@@ -19,8 +19,12 @@ load_lib completion-support.exp
 
 standard_testfile cpls-ops.cc
 
+set flags {}
+lappend flags debug
+lappend flags c++
+
 if {[prepare_for_testing "failed to prepare" $testfile \
-	 [list $srcfile] {debug}]} {
+	 [list $srcfile] $flags]} {
     return -1
 }