[Bug other/64370] New: [5 Regression] sreal.c:125:23: error: 'exp2' was not declared in this scope

["danglin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64370

            Bug ID: 64370
           Summary: [5 Regression] sreal.c:125:23: error: 'exp2' was not
                    declared in this scope
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
          Assignee: unassigned at gcc dot gnu.org
          Reporter: danglin at gcc dot gnu.org
              Host: hppa1.1-hp-hpux10.20
            Target: hppa1.1-hp-hpux10.20
             Build: hppa1.1-hp-hpux10.20

g++ -c   -g -DIN_GCC    -fno-exceptions -fno-rtti -fasynchronous-unwind-tables
-W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format
-Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H -I. -I.
-I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/../include
-I../../gcc/gcc/../libcpp/include -I/opt/gnu/gcc/gmp/include 
-I../../gcc/gcc/../libdecnumber -I../../gcc/gcc/../libdecnumber/dpd
-I../libdecnumber -I../../gcc/gcc/../libbacktrace   -o sreal.o -MT sreal.o -MMD
-MP -MF ./.deps/sreal.TPo ../../gcc/gcc/sreal.c
../../gcc/gcc/sreal.c: In member function 'double sreal::to_double() const':
../../gcc/gcc/sreal.c:125:23: error: 'exp2' was not declared in this scope
make[3]: *** [sreal.o] Error 1

Maybe fallback to pow?