[SYCL] Return back c++17 option to the test (#7050)

romanovvlad · web-flow · commit 6de561e4d54d · 2022-10-13T12:30:43.000-07:00
It seems that without -fsycl the default version of c++ is less than
c++17 which is required for SYCL headers.
diff --git a/sycl/test/basic_tests/accessor/host_acc_opt.cpp b/sycl/test/basic_tests/accessor/host_acc_opt.cpp
@@ -1,4 +1,4 @@
-// RUN: %clangxx -O2 -isystem %sycl_include/sycl -isystem %sycl_include -S -emit-llvm %s -o - | FileCheck %s
+// RUN: %clangxx -std=c++17 -O2 -isystem %sycl_include/sycl -isystem %sycl_include -S -emit-llvm %s -o - | FileCheck %s
 
 // The test verifies that the accessor::operator[] implementation is
 // good enough for compiler to optimize away calls to getOffset and

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-// RUN: %clangxx -O2 -isystem %sycl_include/sycl -isystem %sycl_include -S -emit-llvm %s -o - \| FileCheck %s`
	`1`	`+// RUN: %clangxx -std=c++17 -O2 -isystem %sycl_include/sycl -isystem %sycl_include -S -emit-llvm %s -o - \| FileCheck %s`
`2`	`2`
`3`	`3`	`// The test verifies that the accessor::operator[] implementation is`
`4`	`4`	`// good enough for compiler to optimize away calls to getOffset and`