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Hi, With a fresh Rdevel r66690 (yesterday 26th) in ~/R/Rtrunk I get : ~/R/Rtrunk $ ./configure CC="gcc -std=gnu99 -fsanitize=address" CFLAGS="-fno-omit-frame-pointer -O0 -g -Wall -pedantic -mtune=native" --without-recommended-packages ~/R/Rtrunk $ make clean ~/R/Rtrunk $ make Works fine. Now adding --enable-strict-barrier to the end :...

...fined-Behaviour-Sanitizer to build R-devel (as of a few hours ago: rev 66684) with -fsanitize=undefined,address. My OS is Linux Mint Debian Edition. To get gcc-4.9 I added Debian testing to my apt sources and ran : sudo apt-get install gcc-4.9, g++-4.9 gfortran-4.9 in the root of a clean Rtrunk. I then started simple with just ASAN first of all : ./configure CC="gcc-4.9 -std=gnu99 -fsanitize=address" CFLAGS="-fno-omit-frame-pointer -O0 -g -Wall -pedantic -mtune=native" --without-recommended-packages --enable-strict-barrier --disable-byte-compiled-packages This r...

Hi, We sometimes see offers to contribute, asking what needs to be done. If they know C, how about the 111 FIXMEs? But which ones would be most useful to fix? Which are difficult and which are easy? Does R-core have a process to list and prioritise the FIXMEs? ~/R/Rtrunk/src/main$ grep "[^/]FIXME" * | wc -l 111 ~/R/Rtrunk/src/main$ grep -A 1 "[^/]FIXME" * arithmetic.c:/* FIXME: consider using arithmetic.c- tmp = (long double)x1 - floor(q) * (long double)x2; -- arithmetic.c:/* FIXME: with the y == 2.0 test now at the top that case isn't ar...