error: use of undeclared identifier 'VM_MEMORY_SANITIZER'

[ryandesign]

Build failure of flang 21.1.0 on macOS 10.14:

/opt/local/var/macports/build/lldb-21-46f2584b/work/llvm-project-21.1.0.src/lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp:212:26: error: use of undeclared identifier 'VM_MEMORY_SANITIZER'
  212 |       m_data.user_tag == VM_MEMORY_SANITIZER) {
      |                          ^
1 error generated.

Full log: https://build.macports.org/builders/ports-10.14_x86_64-builder/builds/240590/steps/install-port/logs/stdio

Maybe these lines are needed in that file too:

llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_mac.cpp

Lines 112 to 115 in 35a3ae3

	// From <mach/vm_statistics.h>, but not on older OSs.
	#ifndef VM_MEMORY_SANITIZER
	#define VM_MEMORY_SANITIZER 99
	#endif

[llvmbot]

@llvm/issue-subscribers-lldb

Author: Ryan Carsten Schmidt (ryandesign)

Build failure of flang 21.1.0 on macOS 10.14:

/opt/local/var/macports/build/lldb-21-46f2584b/work/llvm-project-21.1.0.src/lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp:212:26: error: use of undeclared identifier 'VM_MEMORY_SANITIZER'
  212 |       m_data.user_tag == VM_MEMORY_SANITIZER) {
      |                          ^
1 error generated.

Full log: https://build.macports.org/builders/ports-10.14_x86_64-builder/builds/240590/steps/install-port/logs/stdio

Maybe these lines are needed in that file too:

llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_mac.cpp

Lines 112 to 115 in 35a3ae3

	// From <mach/vm_statistics.h>, but not on older OSs.
	#ifndef VM_MEMORY_SANITIZER
	#define VM_MEMORY_SANITIZER 99
	#endif

[DavidSpickett]

Added by 474234a. @felipepiovezan

Probably just copy the compiler-rt #define, but wonder if it's missing the mach/vm_statistics.h include as well.

[c-rhodes]

is this something we still want to fix in LLVM 21?

[DavidSpickett]

@JDevlieghere , @felipepiovezan please take a look. Fix seems simple if someone is able to test it.