[test-suite] Set language level to c++14 to tests failing with gnu++17

The following tests fail to build on the AIX buildbot due to the change to set the language level to gnu++17: test-suite :: MultiSource/Benchmarks/tramp3d-v4/tramp3d-v4.test test-suite :: SingleSource/Benchmarks/Misc-C++-EH/spirit.test test-suite :: SingleSource/Benchmarks/Misc-C++/stepanov_container.test Reviewed By: daltenty, MaskRay Differential Revision: https://reviews.llvm.org/D133591
rorth · Sep 9, 2022 · 9075928 · 9075928
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commit 9075928
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diff --git a/MultiSource/Benchmarks/tramp3d-v4/CMakeLists.txt b/MultiSource/Benchmarks/tramp3d-v4/CMakeLists.txt
@@ -1,3 +1,4 @@
+set(CMAKE_CXX_STANDARD 14)
 list(APPEND CXXFLAGS -fno-exceptions)
 if(SMALL_PROBLEM_SIZE)
   set(RUN_OPTIONS --cartvis 1.0 0.0 --rhomin 1e-8 -n 4 --domain 32 32 32)

diff --git a/SingleSource/Benchmarks/Misc-C++-EH/CMakeLists.txt b/SingleSource/Benchmarks/Misc-C++-EH/CMakeLists.txt
@@ -1,3 +1,4 @@
+set(CMAKE_CXX_STANDARD 14)
 list(APPEND CXXFLAGS -pthread)
 list(APPEND LDFLAGS -lm -pthread)
 llvm_singlesource()
diff --git a/SingleSource/Benchmarks/Misc-C++/CMakeLists.txt b/SingleSource/Benchmarks/Misc-C++/CMakeLists.txt
@@ -1,3 +1,4 @@
+set(CMAKE_CXX_STANDARD 14)
 add_subdirectory(Large)
 
 list(APPEND LDFLAGS -lm)