Package: gcc-3.2 Version: 1:3.2.3-0pre6 Severity: normal In the attached program, failing_func should return its first variadic argument, but somehow it returns wrong_value instead. The main function exits with code 0 if the result is correct.
I believe this is what causes Debian Bug#185973.
#include <stdarg.h> struct va_like { char *base; int offset; }; static int failing_func (int i1, int i2, int i3, int i4, int i5, struct va_like teaser, int wrong_value, ...) { int ret; va_list ap; va_start (ap, wrong_value); ret = va_arg (ap, int); va_end (ap); return ret; } int main (void) { static struct va_like teaser; if (failing_func (0, /* i1 */ 0, /* i2 */ 0, /* i3 */ 0, /* i4 */ 0, /* i5 */ teaser, 1, 2) == 2) return 0; else return 1; }
# 1 "6.c" # 1 "<built-in>" # 1 "<command line>" # 1 "6.c" # 1 "/usr/lib/gcc-lib/alpha-linux/3.2.3/include/stdarg.h" 1 3 # 43 "/usr/lib/gcc-lib/alpha-linux/3.2.3/include/stdarg.h" 3 typedef __builtin_va_list __gnuc_va_list; # 110 "/usr/lib/gcc-lib/alpha-linux/3.2.3/include/stdarg.h" 3 typedef __gnuc_va_list va_list; # 2 "6.c" 2 struct va_like { char *base; int offset; }; static int failing_func (int i1, int i2, int i3, int i4, int i5, struct va_like teaser, int wrong_value, ...) { int ret; va_list ap; __builtin_stdarg_start((ap),wrong_value); ret = __builtin_va_arg (ap, int); __builtin_va_end (ap); return ret; } int main (void) { static struct va_like teaser; if (failing_func (0, 0, 0, 0, 0, teaser, 1, 2) == 2) return 0; else return 1; }
Reading specs from /usr/lib/gcc-lib/alpha-linux/3.2.3/specs Configured with: ../src/configure -v --enable-languages=c,c++,java,f77,proto,pascal,objc,ada --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-gxx-include-dir=/usr/include/c++/3.2 --enable-shared --with-system-zlib --enable-nls --without-included-gettext --enable-__cxa_atexit --enable-clocale=gnu --enable-java-gc=boehm --enable-objc-gc alpha-linux Thread model: posix gcc version 3.2.3 20030316 (Debian prerelease) /usr/lib/gcc-lib/alpha-linux/3.2.3/cpp0 -lang-c -v -D__GNUC__=3 -D__GNUC_MINOR__=2 -D__GNUC_PATCHLEVEL__=3 -D__GXX_ABI_VERSION=102 -D__gnu_linux__ -Dlinux -Dunix -D_LONGLONG -D__alpha__ -D__ELF__ -D__gnu_linux__ -D__linux__ -D__unix__ -D_LONGLONG -D__alpha__ -D__ELF__ -D__linux -D__unix -Asystem=linux -D__NO_INLINE__ -D__STDC_HOSTED__=1 -D__LANGUAGE_C__ -D__LANGUAGE_C -DLANGUAGE_C -Acpu=alpha -Amachine=alpha -D__alpha -D__alpha__ -D__alpha_ev4__ -Acpu=ev4 6.c 6.i GNU CPP version 3.2.3 20030316 (Debian prerelease) (cpplib) (Alpha GNU/Linux for ELF) ignoring nonexistent directory "/usr/alpha-linux/include" #include "..." search starts here: #include <...> search starts here: /usr/local/include /usr/lib/gcc-lib/alpha-linux/3.2.3/include /usr/include End of search list. /usr/lib/gcc-lib/alpha-linux/3.2.3/cc1 -fpreprocessed 6.i -quiet -dumpbase 6.c -version -o 6.s GNU CPP version 3.2.3 20030316 (Debian prerelease) (cpplib) (Alpha GNU/Linux for ELF) GNU C version 3.2.3 20030316 (Debian prerelease) (alpha-linux) compiled by GNU C version 3.2.3 20030316 (Debian prerelease). as -no-mdebug -o 6.o 6.s /usr/lib/gcc-lib/alpha-linux/3.2.3/collect2 --eh-frame-hdr -m elf64alpha -O1 -dynamic-linker /lib/ld-linux.so.2 /usr/lib/gcc-lib/alpha-linux/3.2.3/../../../crt1.o /usr/lib/gcc-lib/alpha-linux/3.2.3/../../../crti.o /usr/lib/gcc-lib/alpha-linux/3.2.3/crtbegin.o -L/usr/lib/gcc-lib/alpha-linux/3.2.3 -L/usr/lib/gcc-lib/alpha-linux/3.2.3/../../.. 6.o -lgcc -lgcc_eh -lc -lgcc -lgcc_eh /usr/lib/gcc-lib/alpha-linux/3.2.3/crtend.o /usr/lib/gcc-lib/alpha-linux/3.2.3/../../../crtn.o
-- System Information: Debian Release: testing/unstable Architecture: alpha Kernel: Linux Saastamoduuli 2.2.22 #5 Thu Dec 26 16:47:34 EET 2002 alpha Locale: [EMAIL PROTECTED], [EMAIL PROTECTED] Versions of packages gcc-3.2 depends on: ii binutils 2.13.90.0.18-1.2 The GNU assembler, linker and bina ii cpp-3.2 1:3.2.3-0pre6 The GNU C preprocessor ii gcc-3.2-base 1:3.2.3-0pre6 The GNU Compiler Collection (base ii libc6.1 2.3.1-15 GNU C Library: Shared libraries an ii libgcc1 1:3.2.3-0pre6 GCC support library -- no debconf information