cgo: add more information about gcc output parsing failures

rsc · rsc · commit ae3341476d4c · 2009-11-11T16:58:27.000-08:00
R=r https://golang.org/cl/152084
diff --git a/src/cmd/cgo/gcc.go b/src/cmd/cgo/gcc.go
@@ -96,6 +96,10 @@ func (p *Prog) loadDebugInfo() {
 		}
 	}
 
+	if nerrors > 0 {
+		fatal("failed to interpret gcc output:\n%s", stderr)
+	}
+
 	// Extract the types from the DWARF section of an object
 	// from a well-formed C program.  Gcc only generates DWARF info
 	// for symbols in the object file, so it is not enough to print the

Original file line number	Diff line number	Diff line change
`@@ -96,6 +96,10 @@ func (p *Prog) loadDebugInfo() {`
`96`	`96`	`}`
`97`	`97`	`}`
`98`	`98`
	`99`	`+ if nerrors > 0 {`
	`100`	`+ fatal("failed to interpret gcc output:\n%s", stderr)`
	`101`	`+ }`
	`102`	`+`
`99`	`103`	`// Extract the types from the DWARF section of an object`
`100`	`104`	`// from a well-formed C program. Gcc only generates DWARF info`
`101`	`105`	`// for symbols in the object file, so it is not enough to print the`