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Merge "Add -instcombine-lower-dbg-declare to hwasan flags." am: e643cd2b61

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am: 6d5f9a965d

Change-Id: I67bad7341fe2b1e6d7ee53c10504e69220f7bac8
This commit is contained in:
Evgenii Stepanov
2019-12-02 18:24:39 -08:00
committed by android-build-merger
parent 8786951080 6d5f9a965d
commit f23fd9f1f9
1 changed files with 10 additions and 1 deletions
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11
cc/sanitize.go
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@@ -39,7 +39,16 @@ var (
hwasanCflags = []string{"-fno-omit-frame-pointer", "-Wno-frame-larger-than=",
"-fsanitize-hwaddress-abi=platform",
"-fno-experimental-new-pass-manager"}
"-fno-experimental-new-pass-manager",
// The following improves debug location information
// availability at the cost of its accuracy. It increases
// the likelihood of a stack variable's frame offset
// to be recorded in the debug info, which is important
// for the quality of hwasan reports. The downside is a
// higher number of "optimized out" stack variables.
// b/112437883.
"-mllvm", "-instcombine-lower-dbg-declare=0",
}
cfiCflags = []string{"-flto", "-fsanitize-cfi-cross-dso",
"-fsanitize-blacklist=external/compiler-rt/lib/cfi/cfi_blacklist.txt"}