| Issue |
86986
|
| Summary |
ODR warning in Arch64GenAsmMatcher.in (SubtargetFeatureBits)
|
| Labels |
tablegen
|
| Assignees |
|
| Reporter |
efriedma-quic
|
When building with -flto -Werror=odr to find possible runtime issues w/ LTO:
```
/var/tmp/portage/sys-devel/llvm-18.1.0/work/llvm_build-abi_x86_32.x86/lib/Target/AArch64/AArch64GenAsmMatcher.inc:272: error: type ‘SubtargetFeatureBits’ violates the C++ One Definition Rule [-Werror=odr]
272 | enum SubtargetFeatureBits : uint8_t {
|
/var/tmp/portage/sys-devel/llvm-18.1.0/work/llvm_build-abi_x86_32.x86/lib/Target/Hexagon/HexagonGenAsmMatcher.inc:49: note: an enum with different value name is defined in another translation unit
49 | enum SubtargetFeatureBits : uint8_t {
|
/var/tmp/portage/sys-devel/llvm-18.1.0/work/llvm_build-abi_x86_32.x86/lib/Target/AArch64/AArch64GenAsmMatcher.inc:273: note: name ‘Feature_HasV8_0aBit’ differs from name ‘Feature_HasV5Bit’ defined in another translation unit
273 | Feature_HasV8_0aBit = 103,
|
/var/tmp/portage/sys-devel/llvm-18.1.0/work/llvm_build-abi_x86_32.x86/lib/Target/Hexagon/HexagonGenAsmMatcher.inc:50: note: mismatching definition
50 | Feature_HasV5Bit = 2,
|
```
Split from #84577 . Originally reported downstream in Gentoo at https://bugs.gentoo.org/926529.
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