Test new llvm-to-clang compilation pipeline

Author: brenhinkeller

test/testcore.jl

@@ -50,6 +50,11 @@ end
     @test isa(r, Base.Process)
     @test r.exitcode == 0
 
+    filepath = compile_executable(foo, (), workdir, llvm_to_clang=true)
+    r = run(`$filepath`);
+    @test isa(r, Base.Process)
+    @test r.exitcode == 0
+
 
     @inline function _puts(s::Ptr{UInt8}) # Can't use Base.println because it allocates
         Base.llvmcall(("""
@@ -85,6 +90,11 @@ end
     @test isa(r, Base.Process)
     @test r.exitcode == 0
 
+    filepath = compile_executable(print_args, (Int, Ptr{Ptr{UInt8}}), workdir, llvm_to_clang=true)
+    r = run(`$filepath Hello, world!`);
+    @test isa(r, Base.Process)
+    @test r.exitcode == 0
+
 
     # Compile a function that definitely fails
     @inline foo_err() = UInt64(-1)