Compilation Failure on Linux/Intel (PR#434)

h089@mth.uea.ac.uk writes:

I consistently get a sig11 on one file:
gcc -I. -I../include -I../../src/include -I../../src/include/R_ext 
-DHAVE_CONFIG_H -mieee-fp -g -O2 -c fft.c -o fft.o
gcc: Internal compiler error: program cc1 got fatal signal 11
make[3]: *** [fft.o] Error 1

C compilers can do that all by themselves occasionally. Which version
are we talking about? Does it work to change the optimisation level
for the file?

markj@oplex$ gcc -v
Reading specs from
/usr/lib/gcc-lib/i386-slackware-linux/egcs-2.91.66/specs
gcc version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)

Reducing the optimisation to O1 compiles it, but O3 still does
the sig11.  Thanks.  Problem cured if not explained.

MJR
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