id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	os	architecture	failure	difficulty	testcase	blockedby	blocking	related
7248	NewCodeGen does not create enough SRT labels when using SplitObjs	darchon	simonmar	"When building HEAD I get the following error:

make -r --no-print-directory -f ghc.mk phase=final all
  HC [stage 1] libraries/integer-gmp/dist-install/build/GHC/Integer/Type.o

/var/folders/ka/kaF7CETOGrynlpfcm3Ojdk++06g/-Tmp-/ghc91903_0/ghc91903_0.split__51.s:29:0:
    non-relocatable subtraction expression, ""_integerzmgmp_GHCziIntegerziType_S3Dk_srt"" minus ""_c3Co_info""

/var/folders/ka/kaF7CETOGrynlpfcm3Ojdk++06g/-Tmp-/ghc91903_0/ghc91903_0.split__51.s:29:0:
    symbol: ""_integerzmgmp_GHCziIntegerziType_S3Dk_srt"" can't be undefined in a subtraction expression

/var/folders/ka/kaF7CETOGrynlpfcm3Ojdk++06g/-Tmp-/ghc91903_0/ghc91903_0.split__51.s:14:0:
    non-relocatable subtraction expression, ""_integerzmgmp_GHCziIntegerziType_S3Dk_srt"" minus ""_integerzmgmp_GHCziIntegerziType_negateInteger_info""

/var/folders/ka/kaF7CETOGrynlpfcm3Ojdk++06g/-Tmp-/ghc91903_0/ghc91903_0.split__51.s:14:0:
    symbol: ""_integerzmgmp_GHCziIntegerziType_S3Dk_srt"" can't be undefined in a subtraction expression
make[1]: *** [libraries/integer-gmp/dist-install/build/GHC/Integer/Type.o] Error 1
make: *** [all] Error 2

Indeed, the symbol/label is not defined in the generated assembly (no .globl declaration)

When building with object splitting disabled (""SplitObjs = NO"" in build.mk) the error does not occur.
"	bug	closed	highest	7.8.1	Compiler (NCG)	7.7	fixed	SplitObjs NCG SRT	eir@…	MacOS X	x86	Building GHC failed	Unknown