This reverts commit 8aa9ab336889ae2eb8e4188036faeb151379ab7b. Reverting due to compile-time regressions as pointed out in https://reviews.llvm.org/D145051#4166656 E.g. "In particular tramp3d-v4 with debuginfo regressed by 15%."
This reverts commit 8aa9ab336889ae2eb8e4188036faeb151379ab7b. Reverting due to compile-time regressions as pointed out in https://reviews.llvm.org/D145051#4166656 E.g. "In particular tramp3d-v4 with debuginfo regressed by 15%."