[clang] [llvm] [Clang][Hexagon] Driver changes for H2+Picolibc (PR #195795)

[Brian Cain via cfe-commits]

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@@ -118,3 +118,121 @@
 // CHECK-LIBPATHS-PIC: "-L{{.*}}{{/|\\\\}}Inputs{{/|\\\\}}hexagon_tree{{/|\\\\}}Tools{{/|\\\\}}bin{{/|\\\\}}..{{/|\\\\}}target{{/|\\\\}}picolibc{{/|\\\\}}hexagon-unknown-none-elf{{/|\\\\}}lib{{/|\\\\}}v68{{/|\\\\}}G0{{/|\\\\}}pic"
 // CHECK-LIBPATHS-PIC: "-L{{.*}}{{/|\\\\}}Inputs{{/|\\\\}}hexagon_tree{{/|\\\\}}Tools{{/|\\\\}}bin{{/|\\\\}}..{{/|\\\\}}target{{/|\\\\}}picolibc{{/|\\\\}}hexagon-unknown-none-elf{{/|\\\\}}lib{{/|\\\\}}v68{{/|\\\\}}G0"
 // CHECK-LIBPATHS-PIC: "-L{{.*}}{{/|\\\\}}Inputs{{/|\\\\}}hexagon_tree{{/|\\\\}}Tools{{/|\\\\}}bin{{/|\\\\}}..{{/|\\\\}}target{{/|\\\\}}picolibc{{/|\\\\}}hexagon-unknown-none-elf{{/|\\\\}}lib{{/|\\\\}}v68"
+
+// =============================================================================
+// H2 OS tests (--target=hexagon-h2-elf --cstdlib=picolibc)
+// Differences from hexagon-none-elf: crt0-noflash-hosted.o, -lh2 -lsyscall_wrapper
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androm3da wrote:

`hexagon-none-elf: crt0-noflash-hosted.o, -lh2 -lsyscall_wrapper` - is this actually verified anywhere?  I don't see it.

https://github.com/llvm/llvm-project/pull/195795