[PATCH] D61448: build: disable unwind tables whenever possible

[Saleem Abdulrasool via Phabricator via llvm-commits]

compnerd added a comment.

clang 6.0.0, gold, x86_64-unknown-linux-gnu, MinSizeRel, unstripped binary

**BEFORE**

  bin/lldb-server  :
  section                       size       addr
  .interp                         28    4194928
  .note.ABI-tag                   32    4194956
  .dynsym                      11232    4194992
  .gnu.hash                      104    4214336
  .gnu.version                   936    4214440
  .gnu.version_r                 608    4215376
  .init                           26    4224816
  .plt                          5552    4224848
  .text                      4339327    4230400
  .fini                            9    8569728
  .rodata                    7704540    8569744
  .eh_frame                   676948   16274288
  .eh_frame_hdr               156220   16951236
  .tbss                           41   17111616
  .jcr                             8   17111616
  .fini_array                      8   17111624
  .init_array                    432   17111632
  .data.rel.ro               1224760   17112064
  .dynamic                       640   18336824
  .got                           304   18337464
  .got.plt                      2792   18337768
  .tm_clone_table                  0   18340560
  .data                        59856   18340560
  .bss                         45808   18400416
  .comment                       443          0
  .note.gnu.gold-version          28          0
  *COM*                            0          0
  Total                     14230682

**AFTER**

  bin/lldb-server  :
  section                       size       addr
  .interp                         28    4194928
  .note.ABI-tag                   32    4194956
  .dynsym                      11232    4194992
  .gnu.hash                      104    4214336
  .gnu.version                   936    4214440
  .gnu.version_r                 608    4215376
  .init                           26    4224816
  .plt                          5552    4224848
  .text                      4338799    4230400
  .fini                            9    8569200
  .rodata                    7704540    8569216
  .eh_frame                     1660   16273760
  .eh_frame_hdr                  332   16275420
  .tbss                           41   16280128
  .jcr                             8   16280128
  .fini_array                      8   16280136
  .init_array                    432   16280144
  .data.rel.ro               1224760   16280576
  .dynamic                       640   17505336
  .got                           304   17505976
  .got.plt                      2792   17506280
  .tm_clone_table                  0   17509072
  .data                        59856   17509072
  .bss                         45808   17568928
  .comment                       443          0
  .note.gnu.gold-version          28          0
  *COM*                            0          0
  Total                     13398978


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D61448/new/

https://reviews.llvm.org/D61448