[clang] [PS4,PS5][Driver] Check for absent SDK when -nostdlib/-nodefaultlibs (PR #107112)

[Paul T Robinson via cfe-commits]

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@@ -36,9 +35,6 @@
 // RUN: env SCE_ORBIS_SDK_DIR=.. %clang -Winvalid-or-nonexistent-directory -### -emit-ast -isysroot foo -target x86_64-scei-ps4 %s 2>&1 | FileCheck -check-prefix=WARN-ISYSROOT -check-prefix=NO-WARN %s
 // RUN: env SCE_ORBIS_SDK_DIR=.. %clang -Winvalid-or-nonexistent-directory -### --sysroot=foo/ -isysroot foo -target x86_64-scei-ps4 %s 2>&1 | FileCheck -check-prefix=WARN-ISYSROOT -check-prefix=NO-WARN %s
 
-// RUN: env SCE_ORBIS_SDK_DIR=.. %clang -Winvalid-or-nonexistent-directory -### -nostdlib -target x86_64-scei-ps4 %s 2>&1 | FileCheck -check-prefix=WARN-SYS-HEADERS -check-prefix=NO-WARN %s
-// RUN: env SCE_ORBIS_SDK_DIR=.. %clang -Winvalid-or-nonexistent-directory -### -nodefaultlibs -target x86_64-scei-ps4 %s 2>&1 | FileCheck -check-prefix=WARN-SYS-HEADERS -check-prefix=NO-WARN %s
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pogo59 wrote:

If we had done it this way in the first place, we wouldn't have added RUN lines to check these conditions, so on that basis I'm okay with deleting these RUN lines and not checking that `-nodefaultlibs -nostdlib` have no effect on the warnings. 

https://github.com/llvm/llvm-project/pull/107112