[LLD] [MachO] Fix GCC build warnings
This fixes the following warnings produced by GCC 9:
../tools/lld/MachO/Arch/ARM64.cpp: In member function ‘void {anonymous}::OptimizationHintContext::applyAdrpLdr(const lld::macho::OptimizationHint&)’:
../tools/lld/MachO/Arch/ARM64.cpp:448:18: warning: comparison of integer expressions of different signedness: ‘int64_t’ {aka ‘long int’} and ‘uint64_t’ {aka ‘long unsigned int’} [-Wsign-compare]
448 | if (ldr.offset != (rel1->referentVA & 0xfff))
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../tools/lld/MachO/UnwindInfoSection.cpp: In function ‘bool canFoldEncoding(compact_unwind_encoding_t)’:
../tools/lld/MachO/UnwindInfoSection.cpp:404:44: warning: comparison between ‘enum<unnamed>’ and ‘enum<unnamed>’ [-Wenum-compare]
404 | static_assert(UNWIND_X86_64_MODE_MASK == UNWIND_X86_MODE_MASK, "");
| ^~~~~~~~~~~~~~~~~~~~
../tools/lld/MachO/UnwindInfoSection.cpp:405:49: warning: comparison between ‘enum<unnamed>’ and ‘enum<unnamed>’ [-Wenum-compare]
405 | static_assert(UNWIND_X86_64_MODE_STACK_IND == UNWIND_X86_MODE_STACK_IND, "");
| ^~~~~~~~~~~~~~~~~~~~~~~~~
Differential Revision: https://reviews.llvm.org/D130970
diff --git a/lld/MachO/UnwindInfoSection.cpp b/lld/MachO/UnwindInfoSection.cpp
index 3220579..c3f563d 100644
--- a/lld/MachO/UnwindInfoSection.cpp
+++ b/lld/MachO/UnwindInfoSection.cpp
@@ -401,8 +401,12 @@
// of the unwind info's unwind address, two functions that have identical
// unwind info can't be folded if it's using this encoding since both
// entries need unique addresses.
- static_assert(UNWIND_X86_64_MODE_MASK == UNWIND_X86_MODE_MASK, "");
- static_assert(UNWIND_X86_64_MODE_STACK_IND == UNWIND_X86_MODE_STACK_IND, "");
+ static_assert(static_cast<uint32_t>(UNWIND_X86_64_MODE_MASK) ==
+ static_cast<uint32_t>(UNWIND_X86_MODE_MASK),
+ "");
+ static_assert(static_cast<uint32_t>(UNWIND_X86_64_MODE_STACK_IND) ==
+ static_cast<uint32_t>(UNWIND_X86_MODE_STACK_IND),
+ "");
if ((target->cpuType == CPU_TYPE_X86_64 || target->cpuType == CPU_TYPE_X86) &&
(encoding & UNWIND_X86_64_MODE_MASK) == UNWIND_X86_64_MODE_STACK_IND) {
// FIXME: Consider passing in the two function addresses and getting
