[JITLink][ELF][x86-64] Replace R_X86_64_32 yaml testcase with asm version.

The assembly version of this testcase is shorter and easier to read.

Author: lhames

llvm/test/ExecutionEngine/JITLink/x86-64/ELF_R_X86_64_32.s

@@ -0,0 +1,31 @@
+# RUN: llvm-mc -triple=x86_64-unknown-linux -position-independent \
+# RUN:     -filetype=obj -o %t.o %s
+# RUN: llvm-jitlink -noexec -abs X=0x12345678 -check=%s %t.o
+# RUN: not llvm-jitlink -noexec -abs X=0x123456789 %t.o 2>&1 | \
+# RUN:   FileCheck -check-prefix=CHECK-ERROR %s
+#
+# Check success and failure cases of R_X86_64_32 handling.
+
+# jitlink-check: *{8}P = X
+
+# CHECK-ERROR: relocation target "X" {{.*}} is out of range of Pointer32 fixup
+
+	.text
+	.section	.text.main,"ax",@progbits
+	.globl	main
+	.p2align	4, 0x90
+	.type	main,@function
+main:
+	xorl	%eax, %eax
+	retq
+.Lfunc_end0:
+	.size	main, .Lfunc_end0-main
+
+	.type	P,@object
+	.data
+	.globl	P
+	.p2align	2, 0x0
+P:
+	.long	X    # Using long here generates R_X86_64_32.
+	.long   0
+	.size	P, 8