Handle DebugGlobalVariable using DebugInfoNone
Handle DebugGlobalVariable using DebugInfoNone

Bug: b/148401179
Change-Id: I89023b33b01bca848f44bda1f77c49496a9419af
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/47931
Kokoro-Result: kokoro <2ac7b1f3fa578934c95181d4272be0d3bca00121@google.com>
Tested-by: Jaebaek Seo <d58a1521a0a683103ad4413ca7b65b9a5d170ebe@google.com>
Reviewed-by: Nicolas Capens <51edc787c30f24c4904e8ffbb5523c3a9f7a451d@google.com>

bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,google/swiftshader,google/swiftshader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,google/swiftshader