Re: [PATCH] Fix signed integer overflow in gcc/data-streamer.c

On Sun, Sep 28, 2014 at 2:22 PM, Markus Trippelsdorf wrote: > Running the testsuite with a -fsanitize=undefined instrumented compiler > shows: > % gcc -O2 -flto -fno-use-linker-plugin -flto-partition=none > testsuite/gcc.dg/torture/pr28045.c > gcc/data-streamer.c:113:45: runtime error: negation o

[PATCH] Fix signed integer overflow in gcc/data-streamer.c

Running the testsuite with a -fsanitize=undefined instrumented compiler shows: % gcc -O2 -flto -fno-use-linker-plugin -flto-partition=none testsuite/gcc.dg/torture/pr28045.c gcc/data-streamer.c:113:45: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast