disable cfguards for all deqp tests

Previous attempt[0] to fix this was too precise, this now disables
cfguards for angle tests at the angle_deqp (source_set,
shared_library, test) level.

See crbug.com/1260874 - This works around a codegen bug for Windows
x86 that is blocking us landing CFG.

Following now all pass:

    PASS: .\out\swangle\angle_deqp_gles2_tests.exe --use-angle=swiftshader --gtest_filter=dEQP.GLES2/functional_multisample_common_edge_big_quad --bot-mode
    PASS: .\out\swangle\angle_deqp_egl_tests.exe --use-angle=swiftshader --gtest_filter=dEQP.EGL/functional_color_clears_multi_thread_gles1_other --bot-mode
    PASS: .\out\swangle\angle_deqp_gles31_tests.exe --use-angle=swiftshader --gtest_filter=dEQP.GLES31/functional_state_query_texture_texture_2d_multisample_texture_swizzle_g_pure_int --bot-mode

[0] https://chromium-review.googlesource.com/c/angle/angle/+/3241703

Test: CQ plus above
Bug: angleproject:6617
Change-Id: I6d2647340592d3b9b5f2430d4fd077835528ef0b
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3244256
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>

src/tests/BUILD.gn

@@ -942,6 +942,14 @@ if (build_angle_gles1_conform_tests) {
 ### dEQP tests
 ###-----------------------------------------------------
 
+config("win_x86_disable_guards_cfg_compiler") {
+  if (is_win && target_cpu == "x86" && win_enable_cfg_guards) {
+    # See crbug.com/1260874 avoid bad unwinding of exceptions when
+    # compiled with cfg guards for x86.
+    configs = [ "//build/config/win:disable_guards_cfg_compiler" ]
+  }
+}
+
 if (build_angle_deqp_tests && !is_fuchsia) {
   import("deqp_support/deqp.gni")
   import("deqp_support/deqp_data_autogen.gni")
@@ -1057,7 +1065,7 @@ if (build_angle_deqp_tests && !is_fuchsia) {
       testonly = true
       forward_variables_from(invoker, "*")
       suppressed_configs += deqp_undefine_configs
-
+      configs += [ ":win_x86_disable_guards_cfg_compiler" ]
       if (is_clang) {
         cflags += [
           # Suppress a spurious header warning. http://crbug.com/995046
@@ -1258,11 +1266,6 @@ if (build_angle_deqp_tests && !is_fuchsia) {
       ":angle_deqp_libtester_config",
       "${angle_root}:libANGLE_config",
     ]
-    if (is_win && target_cpu == "x86" && win_enable_cfg_guards) {
-      # See crbug.com/1260874 tcuRandomOrderExecutor produces bad
-      # unwinding if compiled with cfg guards for x86.
-      configs += [ "//build/config/win:disable_guards_cfg_compiler" ]
-    }
     sources = deqp_libtester_sources
     if (is_android) {
       libs = [ "log" ]
@@ -1301,7 +1304,7 @@ if (build_angle_deqp_tests && !is_fuchsia) {
         "$angle_root/util:angle_test_utils",
         "$angle_root/util:angle_util",
       ]
-
+      configs += [ ":win_x86_disable_guards_cfg_compiler" ]
       suppressed_configs += deqp_undefine_configs
       public_configs += [ ":$config_name" ]
 
@@ -1341,6 +1344,7 @@ if (build_angle_deqp_tests && !is_fuchsia) {
         "deqp_support/${expectations_file}",
         "${invoker.mustpass_dir}/${invoker.mustpass_name}",
       ]
+      configs += [ ":win_x86_disable_guards_cfg_compiler" ]
     }
   }