jryans wrote:
Here's a diff of recent Clang compiled using `-O2 -g` on Linux with and without
the new `-gno-call-site-info` flag:
```
FILE SIZE VM SIZE
-------------- --------------
+0.0% +12 [ = ] 0 .eh_frame
-0.0% -1.50Ki -0.0% -1.50Ki .rodata
-30.3% -2.51Ki [ = ] 0 [Unmapped]
-2.0% -7.57Ki [ = ] 0 .debug_line_str
-0.3% -75.7Ki [ = ] 0 .debug_rnglists
-0.0% -146Ki [ = ] 0 .debug_str
-0.1% -209Ki [ = ] 0 .debug_loclists
-2.6% -307Ki [ = ] 0 .debug_abbrev
-0.7% -744Ki [ = ] 0 .debug_line
-1.0% -1.08Mi [ = ] 0 .debug_str_offsets
-20.1% -9.01Mi [ = ] 0 .debug_addr
-4.4% -32.8Mi [ = ] 0 .debug_info
-2.6% -44.4Mi -0.0% -1.50Ki TOTAL
```
As expected, disabling call site info reduces binary size (2.6% overall),
confirming size is reduced even further than the amount added by the recent
change in https://github.com/llvm/llvm-project/pull/166202.
https://github.com/llvm/llvm-project/pull/169574
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