http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47539
Summary: Compile fail at "0x0E+" procedure Product: gcc Version: 3.4.4 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassig...@gcc.gnu.org ReportedBy: yaxi1...@gmail.com The gcc will always compile fail on below lines: /// file: fail.c int main(void) { int a = 0x0E+0x0C; return 0; } But, after add an "SPACE" after 0x0E, it will compile pass. /// file: pass.c int main(void) { int a = 0x0E +0x0C; return 0; } This is always fail on gcc 3.4.4, the latest version is not verified yet. Here is my build details: D:\compiler\test_gcc_issue2>gcc -v Reading specs from /usr/lib/gcc/i686-pc-cygwin/3.4.4/specs Configured with: /usr/build/package/orig/test.respin/gcc-3.4.4-3/configure --ver bose --prefix=/usr --exec-prefix=/usr --sysconfdir=/etc --libdir=/usr/lib --libe xecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --enable-langu ages=c,ada,c++,d,f77,pascal,java,objc --enable-nls --without-included-gettext -- enable-version-specific-runtime-libs --without-x --enable-libgcj --disable-java- awt --with-system-zlib --enable-interpreter --disable-libgcj-debug --enable-thre ads=posix --enable-java-gc=boehm --disable-win32-registry --enable-sjlj-exceptio ns --enable-hash-synchronization --enable-libstdcxx-debug Thread model: posix gcc version 3.4.4 (cygming special, gdc 0.12, using dmd 0.125) D:\compiler\test_gcc_issue2>gcc fail.c fail.c:3:10: invalid suffix "+0x0C" on integer constant D:\compiler\test_gcc_issue2>gcc pass.c D:\compiler\test_gcc_issue2>