我的gcc编译器由ubuntu提供： g ++（Ubuntu 5.4.0-6ubuntu1~16.04.9）5.4.0 20160609
gdb是vesion 7.11.1
二进制文件是用littools构建的。
当步进一个只有几行的简单测试C ++程序时，它会来回走动，最终它会一步一步走。如果你执行二进制文件，它没有执行它的问题。我想知道，这是我的编译器还是gdb的错误？这个问题可能非常罕见。我的ubuntu是Ubuntu 16.04.4 LTS。内核：4.4.0-128-通用。我之前从未遇到任何问题。当前的gdb可以使用continue命令完成程序而不会出现任何问题。
gdb /usr/local/bin/testrepeatrun
GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.5) 7.11.1
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Reading symbols from /usr/local/bin/testrepeatrun...done.
(gdb) b 9
Breakpoint 1 at 0x4018f4: file testrepeatrun.cpp, line 9.
(gdb) r
Starting program: /usr/local/bin/testrepeatrun
Breakpoint 1, main (argc=1, argv=0x7fffffffdd68) at testrepeatrun.cpp:9
9 string sA1 = "ACCCGTGTGGCCAGTCGTACGTGTACACTGACGTACGATCAGTC";
(gdb) next
8 int main(int argc, char* argv[]) {
(gdb) n
9 string sA1 = "ACCCGTGTGGCCAGTCGTACGTGTACACTGACGTACGATCAGTC";
(gdb) n
8 int main(int argc, char* argv[]) {
我的问题是接下来的问题。 9 - ＆gt; 8 - ＆gt; 9 - ＆gt; 10 ...... 15 - ＆gt; 17 - ＆gt; 15 - ＆gt; 17至少重复两次，然后转到下一行。