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Detect paths that trigger erroneous or undefined behavior

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Detect paths that trigger erroneous or undefined behavior due to a null value being used in a way forbidden by a returns_nonnull or nonnull attribute. Isolate those paths from the main control flow and turn the statement with erroneous or undefined behavior into a trap. This is not currently enabled, but may be enabled by -O2 in the future.
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RubenKelevra
2022-05-14 00:39:39 +02:00
parent 5792db8954
commit a8ed047a5e
1 changed files with 1 additions and 1 deletions
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utils.go
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@@ -727,7 +727,7 @@ func setupMakepkg(march string) error {
}
makepkgStr = strings.ReplaceAll(makepkgStr, " color ", " !color ")
// Add align-functions=32, see https://github.com/InBetweenNames/gentooLTO/issues/164 for more
makepkgStr = strings.ReplaceAll(makepkgStr, "-O2", "-O3 -falign-functions=32 -mpclmul -fdevirtualize-at-ltrans -fgcse-sm -fgcse-las -flive-range-shrinkage -fira-loop-pressure -fsched-pressure -fmodulo-sched -fmodulo-sched-allow-regmoves -freschedule-modulo-scheduled-loops -fdelete-dead-exceptions -fgraphite -fgraphite-identity -fsplit-stack -fipa-pta")
makepkgStr = strings.ReplaceAll(makepkgStr, "-O2", "-O3 -falign-functions=32 -mpclmul -fdevirtualize-at-ltrans -fgcse-sm -fgcse-las -flive-range-shrinkage -fira-loop-pressure -fsched-pressure -fmodulo-sched -fmodulo-sched-allow-regmoves -freschedule-modulo-scheduled-loops -fdelete-dead-exceptions -fgraphite -fgraphite-identity -fsplit-stack -fipa-pta -fisolate-erroneous-paths-attribute")
makepkgStr = strings.ReplaceAll(makepkgStr, "#MAKEFLAGS=\"-j2\"", "MAKEFLAGS=\"-j"+strconv.Itoa(conf.Build.Makej)+"\"")
makepkgStr = reMarch.ReplaceAllString(makepkgStr, "${1}"+march)
makepkgStr = strings.ReplaceAll(makepkgStr, "#PACKAGER=\"John Doe <john@doe.com>\"", "PACKAGER=\"ALHP "+march+" <alhp@harting.dev>\"")