Created attachment 26701 [details] Preprocessed source [pterjan@jonund Xm-2.1]$ gcc -DHAVE_CONFIG_H -I. -I. -I../../include -I../../include/Motif-2.1 -I../../include/Motif-2.1 -I/usr/include -I/usr/include -O2 -g -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -DMWM_DDIR=\"/usr/share/X11/mwm\" -c XmString.c -fPIC -DPIC -o .libs/XmString.o {standard input}: Assembler messages: {standard input}: Warning: end of file not at end of a line; newline inserted {standard input}:2041: Error: unbalanced parenthesis in operand 2. {standard input}: Error: open CFI at the end of file; missing .cfi_endproc directive gcc: internal compiler error: Segmentation fault (program cc1) I attached the preprocessed source, it crashes here (x86_64) when using gcc -g -c XmStringE.c with gcc-4.6.2 This preprocessed source builds fine using gcc-4.5.1 (even if it gives a lot of warning about casting pointers to int).
Created attachment 26703 [details] Reduce source code leading to the crash Here is the minimal code I managed to trigger the crash
Created attachment 26704 [details] Preprocessed code for the minimal code
Dup of PR51077.