diff options
Diffstat (limited to 'build/build-clang/partial-revert-llvmorg-15-init-11205-gcead4eceb01b.patch')
| -rw-r--r-- | build/build-clang/partial-revert-llvmorg-15-init-11205-gcead4eceb01b.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/build/build-clang/partial-revert-llvmorg-15-init-11205-gcead4eceb01b.patch b/build/build-clang/partial-revert-llvmorg-15-init-11205-gcead4eceb01b.patch new file mode 100644 index 0000000000..85621ab450 --- /dev/null +++ b/build/build-clang/partial-revert-llvmorg-15-init-11205-gcead4eceb01b.patch @@ -0,0 +1,35 @@ +This partially reverts commit cead4eceb01b935fae07bf4a7e91911b344d2fec for +causing timeouts on some webrtc tests under TSan (bug 1798613), presumably +because the change made llvm-symbolizer too slow. + +diff --git a/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp b/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp +index 33168abbdc38..7729d2b91c8a 100644 +--- a/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp ++++ b/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp +@@ -1173,25 +1173,7 @@ DWARFCompileUnit *DWARFContext::getCompileUnitForCodeAddress(uint64_t Address) { + + DWARFCompileUnit *DWARFContext::getCompileUnitForDataAddress(uint64_t Address) { + uint64_t CUOffset = getDebugAranges()->findAddress(Address); +- if (DWARFCompileUnit *OffsetCU = getCompileUnitForOffset(CUOffset)) +- return OffsetCU; +- +- // Global variables are often missed by the above search, for one of two +- // reasons: +- // 1. .debug_aranges may not include global variables. On clang, it seems we +- // put the globals in the aranges, but this isn't true for gcc. +- // 2. Even if the global variable is in a .debug_arange, global variables +- // may not be captured in the [start, end) addresses described by the +- // parent compile unit. +- // +- // So, we walk the CU's and their child DI's manually, looking for the +- // specific global variable. +- for (std::unique_ptr<DWARFUnit> &CU : compile_units()) { +- if (DWARFDie Die = CU->getVariableForAddress(Address)) { +- return static_cast<DWARFCompileUnit *>(CU.get()); +- } +- } +- return nullptr; ++ return getCompileUnitForOffset(CUOffset); + } + + DWARFContext::DIEsForAddress DWARFContext::getDIEsForAddress(uint64_t Address) { |